55151720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1583}}^1$

素因数の和:1674

約数の個数: 64

約数和(自身を含む): 135717120

約数和(自身を除く): 80565400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1583, 1742, 2680, 3166, 3484, 4355, 6332, 6968, 7915, 8710, 12664, 15830, 17420, 20579, 31660, 34840, 41158, 63320, 82316, 102895, 106061, 164632, 205790, 212122, 411580, 424244, 530305, 823160, 848488, 1060610, 1378793, 2121220, 2757586, 4242440, 5515172, 6893965, 11030344, 13787930, 27575860, 55151720]

約数ペア:

[(1, 55151720), (2, 27575860), (4, 13787930), (5, 11030344), (8, 6893965), (10, 5515172), (13, 4242440), (20, 2757586), (26, 2121220), (40, 1378793), (52, 1060610), (65, 848488), (67, 823160), (104, 530305), (130, 424244), (134, 411580), (260, 212122), (268, 205790), (335, 164632), (520, 106061), (536, 102895), (670, 82316), (871, 63320), (1340, 41158), (1583, 34840), (1742, 31660), (2680, 20579), (3166, 17420), (3484, 15830), (4355, 12664), (6332, 8710), (6968, 7915)]