16539640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1871}}^1$

素因数の和:1912

約数の個数: 64

約数和(自身を含む): 42456960

約数和(自身を除く): 25917320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 1871, 2210, 3742, 4420, 7484, 8840, 9355, 14968, 18710, 24323, 31807, 37420, 48646, 63614, 74840, 97292, 121615, 127228, 159035, 194584, 243230, 254456, 318070, 413491, 486460, 636140, 826982, 972920, 1272280, 1653964, 2067455, 3307928, 4134910, 8269820, 16539640]

約数ペア:

[(1, 16539640), (2, 8269820), (4, 4134910), (5, 3307928), (8, 2067455), (10, 1653964), (13, 1272280), (17, 972920), (20, 826982), (26, 636140), (34, 486460), (40, 413491), (52, 318070), (65, 254456), (68, 243230), (85, 194584), (104, 159035), (130, 127228), (136, 121615), (170, 97292), (221, 74840), (260, 63614), (340, 48646), (442, 37420), (520, 31807), (680, 24323), (884, 18710), (1105, 14968), (1768, 9355), (1871, 8840), (2210, 7484), (3742, 4420)]