78869483960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{32323559}}^1$

素因数の和:32323631

約数の個数: 32

約数和(自身を含む): 180365464800

約数和(自身を除く): 101495980840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 32323559, 64647118, 129294236, 161617795, 258588472, 323235590, 646471180, 1292942360, 1971737099, 3943474198, 7886948396, 9858685495, 15773896792, 19717370990, 39434741980, 78869483960]

約数ペア:

[(1, 78869483960), (2, 39434741980), (4, 19717370990), (5, 15773896792), (8, 9858685495), (10, 7886948396), (20, 3943474198), (40, 1971737099), (61, 1292942360), (122, 646471180), (244, 323235590), (305, 258588472), (488, 161617795), (610, 129294236), (1220, 64647118), (2440, 32323559)]