4079660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 9961056

約数和(自身を除く): 5881396

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 71, 85, 130, 142, 169, 170, 221, 260, 284, 338, 340, 355, 442, 676, 710, 845, 884, 923, 1105, 1207, 1420, 1690, 1846, 2210, 2414, 2873, 3380, 3692, 4420, 4615, 4828, 5746, 6035, 9230, 11492, 11999, 12070, 14365, 15691, 18460, 23998, 24140, 28730, 31382, 47996, 57460, 59995, 62764, 78455, 119990, 156910, 203983, 239980, 313820, 407966, 815932, 1019915, 2039830, 4079660]

約数ペア:

[(1, 4079660), (2, 2039830), (4, 1019915), (5, 815932), (10, 407966), (13, 313820), (17, 239980), (20, 203983), (26, 156910), (34, 119990), (52, 78455), (65, 62764), (68, 59995), (71, 57460), (85, 47996), (130, 31382), (142, 28730), (169, 24140), (170, 23998), (221, 18460), (260, 15691), (284, 14365), (338, 12070), (340, 11999), (355, 11492), (442, 9230), (676, 6035), (710, 5746), (845, 4828), (884, 4615), (923, 4420), (1105, 3692), (1207, 3380), (1420, 2873), (1690, 2414), (1846, 2210)]