17900021080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2\times {\mathrm{5903}}^1$

素因数の和:6041

約数の個数: 96

約数和(自身を含む): 42246308160

約数和(自身を除く): 24346287080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 1640, 1720, 1763, 1849, 3526, 3698, 5903, 7052, 7396, 8815, 9245, 11806, 14104, 14792, 17630, 18490, 23612, 29515, 35260, 36980, 47224, 59030, 70520, 73960, 75809, 118060, 151618, 236120, 242023, 253829, 303236, 379045, 484046, 507658, 606472, 758090, 968092, 1015316, 1210115, 1269145, 1516180, 1936184, 2030632, 2420230, 2538290, 3032360, 4840460, 5076580, 9680920, 10153160, 10406989, 10914647, 20813978, 21829294, 41627956, 43658588, 52034945, 54573235, 83255912, 87317176, 104069890, 109146470, 208139780, 218292940, 416279560, 436585880, 447500527, 895001054, 1790002108, 2237502635, 3580004216, 4475005270, 8950010540, 17900021080]

約数ペア:

[(1, 17900021080), (2, 8950010540), (4, 4475005270), (5, 3580004216), (8, 2237502635), (10, 1790002108), (20, 895001054), (40, 447500527), (41, 436585880), (43, 416279560), (82, 218292940), (86, 208139780), (164, 109146470), (172, 104069890), (205, 87317176), (215, 83255912), (328, 54573235), (344, 52034945), (410, 43658588), (430, 41627956), (820, 21829294), (860, 20813978), (1640, 10914647), (1720, 10406989), (1763, 10153160), (1849, 9680920), (3526, 5076580), (3698, 4840460), (5903, 3032360), (7052, 2538290), (7396, 2420230), (8815, 2030632), (9245, 1936184), (11806, 1516180), (14104, 1269145), (14792, 1210115), (17630, 1015316), (18490, 968092), (23612, 758090), (29515, 606472), (35260, 507658), (36980, 484046), (47224, 379045), (59030, 303236), (70520, 253829), (73960, 242023), (75809, 236120), (118060, 151618)]