51288440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1621}}^1$

素因数の和:1752

約数の個数: 64

約数和(自身を含む): 133133760

約数和(自身を除く): 81845320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 452, 565, 791, 904, 1130, 1582, 1621, 2260, 3164, 3242, 3955, 4520, 6328, 6484, 7910, 8105, 11347, 12968, 15820, 16210, 22694, 31640, 32420, 45388, 56735, 64840, 90776, 113470, 183173, 226940, 366346, 453880, 732692, 915865, 1282211, 1465384, 1831730, 2564422, 3663460, 5128844, 6411055, 7326920, 10257688, 12822110, 25644220, 51288440]

約数ペア:

[(1, 51288440), (2, 25644220), (4, 12822110), (5, 10257688), (7, 7326920), (8, 6411055), (10, 5128844), (14, 3663460), (20, 2564422), (28, 1831730), (35, 1465384), (40, 1282211), (56, 915865), (70, 732692), (113, 453880), (140, 366346), (226, 226940), (280, 183173), (452, 113470), (565, 90776), (791, 64840), (904, 56735), (1130, 45388), (1582, 32420), (1621, 31640), (2260, 22694), (3164, 16210), (3242, 15820), (3955, 12968), (4520, 11347), (6328, 8105), (6484, 7910)]