39900380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 97796160

約数和(自身を除く): 57895780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 41, 52, 65, 76, 82, 95, 130, 164, 190, 197, 205, 247, 260, 380, 394, 410, 494, 533, 779, 788, 820, 985, 988, 1066, 1235, 1558, 1970, 2132, 2470, 2561, 2665, 3116, 3743, 3895, 3940, 4940, 5122, 5330, 7486, 7790, 8077, 10127, 10244, 10660, 12805, 14972, 15580, 16154, 18715, 20254, 25610, 32308, 37430, 40385, 40508, 48659, 50635, 51220, 74860, 80770, 97318, 101270, 105001, 153463, 161540, 194636, 202540, 210002, 243295, 306926, 420004, 486590, 525005, 613852, 767315, 973180, 1050010, 1534630, 1995019, 2100020, 3069260, 3990038, 7980076, 9975095, 19950190, 39900380]

約数ペア:

[(1, 39900380), (2, 19950190), (4, 9975095), (5, 7980076), (10, 3990038), (13, 3069260), (19, 2100020), (20, 1995019), (26, 1534630), (38, 1050010), (41, 973180), (52, 767315), (65, 613852), (76, 525005), (82, 486590), (95, 420004), (130, 306926), (164, 243295), (190, 210002), (197, 202540), (205, 194636), (247, 161540), (260, 153463), (380, 105001), (394, 101270), (410, 97318), (494, 80770), (533, 74860), (779, 51220), (788, 50635), (820, 48659), (985, 40508), (988, 40385), (1066, 37430), (1235, 32308), (1558, 25610), (1970, 20254), (2132, 18715), (2470, 16154), (2561, 15580), (2665, 14972), (3116, 12805), (3743, 10660), (3895, 10244), (3940, 10127), (4940, 8077), (5122, 7790), (5330, 7486)]