39791320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1277}}^1$

素因数の和:1348

約数の個数: 64

約数和(自身を含む): 96616800

約数和(自身を除く): 56825480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1277, 1558, 1640, 2554, 3116, 3895, 5108, 6232, 6385, 7790, 10216, 12770, 15580, 24263, 25540, 31160, 48526, 51080, 52357, 97052, 104714, 121315, 194104, 209428, 242630, 261785, 418856, 485260, 523570, 970520, 994783, 1047140, 1989566, 2094280, 3979132, 4973915, 7958264, 9947830, 19895660, 39791320]

約数ペア:

[(1, 39791320), (2, 19895660), (4, 9947830), (5, 7958264), (8, 4973915), (10, 3979132), (19, 2094280), (20, 1989566), (38, 1047140), (40, 994783), (41, 970520), (76, 523570), (82, 485260), (95, 418856), (152, 261785), (164, 242630), (190, 209428), (205, 194104), (328, 121315), (380, 104714), (410, 97052), (760, 52357), (779, 51080), (820, 48526), (1277, 31160), (1558, 25540), (1640, 24263), (2554, 15580), (3116, 12770), (3895, 10216), (5108, 7790), (6232, 6385)]