61955920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1453}}^1$

素因数の和:1520

約数の個数: 80

約数和(自身を含む): 159021072

約数和(自身を除く): 97065152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1453, 1640, 2132, 2665, 2906, 3280, 4264, 5330, 5812, 7265, 8528, 10660, 11624, 14530, 18889, 21320, 23248, 29060, 37778, 42640, 58120, 59573, 75556, 94445, 116240, 119146, 151112, 188890, 238292, 297865, 302224, 377780, 476584, 595730, 755560, 774449, 953168, 1191460, 1511120, 1548898, 2382920, 3097796, 3872245, 4765840, 6195592, 7744490, 12391184, 15488980, 30977960, 61955920]

約数ペア:

[(1, 61955920), (2, 30977960), (4, 15488980), (5, 12391184), (8, 7744490), (10, 6195592), (13, 4765840), (16, 3872245), (20, 3097796), (26, 2382920), (40, 1548898), (41, 1511120), (52, 1191460), (65, 953168), (80, 774449), (82, 755560), (104, 595730), (130, 476584), (164, 377780), (205, 302224), (208, 297865), (260, 238292), (328, 188890), (410, 151112), (520, 119146), (533, 116240), (656, 94445), (820, 75556), (1040, 59573), (1066, 58120), (1453, 42640), (1640, 37778), (2132, 29060), (2665, 23248), (2906, 21320), (3280, 18889), (4264, 14530), (5330, 11624), (5812, 10660), (7265, 8528)]