27776620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 61157376

約数和(自身を除く): 33380756

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 631, 710, 1262, 1420, 2201, 2524, 3155, 4402, 6310, 8804, 11005, 12620, 19561, 22010, 39122, 44020, 44801, 78244, 89602, 97805, 179204, 195610, 224005, 391220, 448010, 896020, 1388831, 2777662, 5555324, 6944155, 13888310, 27776620]

約数ペア:

[(1, 27776620), (2, 13888310), (4, 6944155), (5, 5555324), (10, 2777662), (20, 1388831), (31, 896020), (62, 448010), (71, 391220), (124, 224005), (142, 195610), (155, 179204), (284, 97805), (310, 89602), (355, 78244), (620, 44801), (631, 44020), (710, 39122), (1262, 22010), (1420, 19561), (2201, 12620), (2524, 11005), (3155, 8804), (4402, 6310)]