27687680080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18215579}}^1$

素因数の和:18215611

約数の個数: 40

約数和(自身を含む): 67761957600

約数和(自身を除く): 40074277520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 18215579, 36431158, 72862316, 91077895, 145724632, 182155790, 291449264, 346096001, 364311580, 692192002, 728623160, 1384384004, 1457246320, 1730480005, 2768768008, 3460960010, 5537536016, 6921920020, 13843840040, 27687680080]

約数ペア:

[(1, 27687680080), (2, 13843840040), (4, 6921920020), (5, 5537536016), (8, 3460960010), (10, 2768768008), (16, 1730480005), (19, 1457246320), (20, 1384384004), (38, 728623160), (40, 692192002), (76, 364311580), (80, 346096001), (95, 291449264), (152, 182155790), (190, 145724632), (304, 91077895), (380, 72862316), (760, 36431158), (1520, 18215579)]