259828480

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4951}}^1$

素因数の和:5013

約数の個数: 72

約数和(自身を含む): 637678944

約数和(自身を除く): 377850464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 640, 656, 820, 1280, 1312, 1640, 2624, 3280, 4951, 5248, 6560, 9902, 10496, 13120, 19804, 24755, 26240, 39608, 49510, 52480, 79216, 99020, 158432, 198040, 202991, 316864, 396080, 405982, 633728, 792160, 811964, 1014955, 1267456, 1584320, 1623928, 2029910, 3168640, 3247856, 4059820, 6337280, 6495712, 8119640, 12991424, 16239280, 25982848, 32478560, 51965696, 64957120, 129914240, 259828480]

約数ペア:

[(1, 259828480), (2, 129914240), (4, 64957120), (5, 51965696), (8, 32478560), (10, 25982848), (16, 16239280), (20, 12991424), (32, 8119640), (40, 6495712), (41, 6337280), (64, 4059820), (80, 3247856), (82, 3168640), (128, 2029910), (160, 1623928), (164, 1584320), (205, 1267456), (256, 1014955), (320, 811964), (328, 792160), (410, 633728), (640, 405982), (656, 396080), (820, 316864), (1280, 202991), (1312, 198040), (1640, 158432), (2624, 99020), (3280, 79216), (4951, 52480), (5248, 49510), (6560, 39608), (9902, 26240), (10496, 24755), (13120, 19804)]