1387664560

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{56501}}^1$

素因数の和:56821

約数の個数: 40

約数和(自身を含む): 3236886576

約数和(自身を除く): 1849222016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2456, 3070, 4912, 6140, 12280, 24560, 56501, 113002, 226004, 282505, 452008, 565010, 904016, 1130020, 2260040, 4520080, 17345807, 34691614, 69383228, 86729035, 138766456, 173458070, 277532912, 346916140, 693832280, 1387664560]

約数ペア:

[(1, 1387664560), (2, 693832280), (4, 346916140), (5, 277532912), (8, 173458070), (10, 138766456), (16, 86729035), (20, 69383228), (40, 34691614), (80, 17345807), (307, 4520080), (614, 2260040), (1228, 1130020), (1535, 904016), (2456, 565010), (3070, 452008), (4912, 282505), (6140, 226004), (12280, 113002), (24560, 56501)]