16214980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 36408960

約数和(自身を除く): 20193980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 601, 710, 1202, 1349, 1420, 2404, 2698, 3005, 5396, 6010, 6745, 11419, 12020, 13490, 22838, 26980, 42671, 45676, 57095, 85342, 114190, 170684, 213355, 228380, 426710, 810749, 853420, 1621498, 3242996, 4053745, 8107490, 16214980]

約数ペア:

[(1, 16214980), (2, 8107490), (4, 4053745), (5, 3242996), (10, 1621498), (19, 853420), (20, 810749), (38, 426710), (71, 228380), (76, 213355), (95, 170684), (142, 114190), (190, 85342), (284, 57095), (355, 45676), (380, 42671), (601, 26980), (710, 22838), (1202, 13490), (1349, 12020), (1420, 11419), (2404, 6745), (2698, 6010), (3005, 5396)]