16475680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^2$

素因数の和:206

約数の個数: 72

約数和(自身を含む): 42394212

約数和(自身を除く): 25918532

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 89, 104, 130, 160, 178, 208, 260, 356, 416, 445, 520, 712, 890, 1040, 1157, 1424, 1780, 2080, 2314, 2848, 3560, 4628, 5785, 7120, 7921, 9256, 11570, 14240, 15842, 18512, 23140, 31684, 37024, 39605, 46280, 63368, 79210, 92560, 102973, 126736, 158420, 185120, 205946, 253472, 316840, 411892, 514865, 633680, 823784, 1029730, 1267360, 1647568, 2059460, 3295136, 4118920, 8237840, 16475680]

約数ペア:

[(1, 16475680), (2, 8237840), (4, 4118920), (5, 3295136), (8, 2059460), (10, 1647568), (13, 1267360), (16, 1029730), (20, 823784), (26, 633680), (32, 514865), (40, 411892), (52, 316840), (65, 253472), (80, 205946), (89, 185120), (104, 158420), (130, 126736), (160, 102973), (178, 92560), (208, 79210), (260, 63368), (356, 46280), (416, 39605), (445, 37024), (520, 31684), (712, 23140), (890, 18512), (1040, 15842), (1157, 14240), (1424, 11570), (1780, 9256), (2080, 7921), (2314, 7120), (2848, 5785), (3560, 4628)]