520330180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{21881}}^1$

素因数の和:21960

約数の個数: 48

約数和(自身を含む): 1157995440

約数和(自身を除く): 637665260

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 410, 580, 820, 1189, 2378, 4756, 5945, 11890, 21881, 23780, 43762, 87524, 109405, 218810, 437620, 634549, 897121, 1269098, 1794242, 2538196, 3172745, 3588484, 4485605, 6345490, 8971210, 12690980, 17942420, 26016509, 52033018, 104066036, 130082545, 260165090, 520330180]

約数ペア:

[(1, 520330180), (2, 260165090), (4, 130082545), (5, 104066036), (10, 52033018), (20, 26016509), (29, 17942420), (41, 12690980), (58, 8971210), (82, 6345490), (116, 4485605), (145, 3588484), (164, 3172745), (205, 2538196), (290, 1794242), (410, 1269098), (580, 897121), (820, 634549), (1189, 437620), (2378, 218810), (4756, 109405), (5945, 87524), (11890, 43762), (21881, 23780)]