99681320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{40853}}^1$

素因数の和:40925

約数の個数: 32

約数和(自身を含む): 227965320

約数和(自身を除く): 128284000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 40853, 81706, 163412, 204265, 326824, 408530, 817060, 1634120, 2492033, 4984066, 9968132, 12460165, 19936264, 24920330, 49840660, 99681320]

約数ペア:

[(1, 99681320), (2, 49840660), (4, 24920330), (5, 19936264), (8, 12460165), (10, 9968132), (20, 4984066), (40, 2492033), (61, 1634120), (122, 817060), (244, 408530), (305, 326824), (488, 204265), (610, 163412), (1220, 81706), (2440, 40853)]