53372020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1567}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 121701888

約数和(自身を除く): 68329868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1567, 1703, 2620, 3134, 3406, 6268, 6812, 7835, 8515, 15670, 17030, 20371, 31340, 34060, 40742, 81484, 101855, 203710, 205277, 407420, 410554, 821108, 1026385, 2052770, 2668601, 4105540, 5337202, 10674404, 13343005, 26686010, 53372020]

約数ペア:

[(1, 53372020), (2, 26686010), (4, 13343005), (5, 10674404), (10, 5337202), (13, 4105540), (20, 2668601), (26, 2052770), (52, 1026385), (65, 821108), (130, 410554), (131, 407420), (260, 205277), (262, 203710), (524, 101855), (655, 81484), (1310, 40742), (1567, 34060), (1703, 31340), (2620, 20371), (3134, 17030), (3406, 15670), (6268, 8515), (6812, 7835)]