20310362517950

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1217}}^1\times {\mathrm{1289}}^1\times {\mathrm{8353}}^1$

素因数の和:10902

約数の個数: 96

約数和(自身を含む): 39062892314880

約数和(自身を除く): 18752529796930

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1217, 1289, 1550, 2434, 2578, 6085, 6445, 8353, 12170, 12890, 16706, 30425, 32225, 37727, 39959, 41765, 60850, 64450, 75454, 79918, 83530, 188635, 199795, 208825, 258943, 377270, 399590, 417650, 517886, 943175, 998975, 1294715, 1568713, 1886350, 1997950, 2589430, 3137426, 6473575, 7843565, 10165601, 10767017, 12947150, 15687130, 20331202, 21534034, 39217825, 48630103, 50828005, 53835085, 78435650, 97260206, 101656010, 107670170, 243150515, 254140025, 269175425, 315133631, 333777527, 486301030, 508280050, 538350850, 630267262, 667555054, 1215752575, 1575668155, 1668887635, 2431505150, 3151336310, 3337775270, 7878340775, 8344438175, 13103459689, 15756681550, 16688876350, 26206919378, 65517298445, 131034596890, 327586492225, 406207250359, 655172984450, 812414500718, 2031036251795, 4062072503590, 10155181258975, 20310362517950]

約数ペア:

[(1, 20310362517950), (2, 10155181258975), (5, 4062072503590), (10, 2031036251795), (25, 812414500718), (31, 655172984450), (50, 406207250359), (62, 327586492225), (155, 131034596890), (310, 65517298445), (775, 26206919378), (1217, 16688876350), (1289, 15756681550), (1550, 13103459689), (2434, 8344438175), (2578, 7878340775), (6085, 3337775270), (6445, 3151336310), (8353, 2431505150), (12170, 1668887635), (12890, 1575668155), (16706, 1215752575), (30425, 667555054), (32225, 630267262), (37727, 538350850), (39959, 508280050), (41765, 486301030), (60850, 333777527), (64450, 315133631), (75454, 269175425), (79918, 254140025), (83530, 243150515), (188635, 107670170), (199795, 101656010), (208825, 97260206), (258943, 78435650), (377270, 53835085), (399590, 50828005), (417650, 48630103), (517886, 39217825), (943175, 21534034), (998975, 20331202), (1294715, 15687130), (1568713, 12947150), (1886350, 10767017), (1997950, 10165601), (2589430, 7843565), (3137426, 6473575)]