28495540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23357}}^1$

素因数の和:23427

約数の個数: 24

約数和(自身を含む): 60824232

約数和(自身を除く): 32328692

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 23357, 46714, 93428, 116785, 233570, 467140, 1424777, 2849554, 5699108, 7123885, 14247770, 28495540]

約数ペア:

[(1, 28495540), (2, 14247770), (4, 7123885), (5, 5699108), (10, 2849554), (20, 1424777), (61, 467140), (122, 233570), (244, 116785), (305, 93428), (610, 46714), (1220, 23357)]