77428520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2441}}^1$

素因数の和:2526

約数の個数: 64

約数和(自身を含む): 190769040

約数和(自身を除く): 113340520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 2440, 2441, 3172, 3965, 4882, 6344, 7930, 9764, 12205, 15860, 19528, 24410, 31720, 31733, 48820, 63466, 97640, 126932, 148901, 158665, 253864, 297802, 317330, 595604, 634660, 744505, 1191208, 1269320, 1489010, 1935713, 2978020, 3871426, 5956040, 7742852, 9678565, 15485704, 19357130, 38714260, 77428520]

約数ペア:

[(1, 77428520), (2, 38714260), (4, 19357130), (5, 15485704), (8, 9678565), (10, 7742852), (13, 5956040), (20, 3871426), (26, 2978020), (40, 1935713), (52, 1489010), (61, 1269320), (65, 1191208), (104, 744505), (122, 634660), (130, 595604), (244, 317330), (260, 297802), (305, 253864), (488, 158665), (520, 148901), (610, 126932), (793, 97640), (1220, 63466), (1586, 48820), (2440, 31733), (2441, 31720), (3172, 24410), (3965, 19528), (4882, 15860), (6344, 12205), (7930, 9764)]