78780260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5717}}^1$

素因数の和:5792

約数の個数: 48

約数和(自身を含む): 181557936

約数和(自身を除く): 102777676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 5717, 6890, 11434, 13780, 22868, 28585, 57170, 74321, 114340, 148642, 297284, 303001, 371605, 606002, 743210, 1212004, 1486420, 1515005, 3030010, 3939013, 6060020, 7878026, 15756052, 19695065, 39390130, 78780260]

約数ペア:

[(1, 78780260), (2, 39390130), (4, 19695065), (5, 15756052), (10, 7878026), (13, 6060020), (20, 3939013), (26, 3030010), (52, 1515005), (53, 1486420), (65, 1212004), (106, 743210), (130, 606002), (212, 371605), (260, 303001), (265, 297284), (530, 148642), (689, 114340), (1060, 74321), (1378, 57170), (2756, 28585), (3445, 22868), (5717, 13780), (6890, 11434)]