82081180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3229}}^1$

素因数の和:3310

約数の個数: 48

約数和(自身を含む): 182327040

約数和(自身を除く): 100245860

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 2542, 3229, 5084, 6355, 6458, 12710, 12916, 16145, 25420, 32290, 64580, 100099, 132389, 200198, 264778, 400396, 500495, 529556, 661945, 1000990, 1323890, 2001980, 2647780, 4104059, 8208118, 16416236, 20520295, 41040590, 82081180]

約数ペア:

[(1, 82081180), (2, 41040590), (4, 20520295), (5, 16416236), (10, 8208118), (20, 4104059), (31, 2647780), (41, 2001980), (62, 1323890), (82, 1000990), (124, 661945), (155, 529556), (164, 500495), (205, 400396), (310, 264778), (410, 200198), (620, 132389), (820, 100099), (1271, 64580), (2542, 32290), (3229, 25420), (5084, 16145), (6355, 12916), (6458, 12710)]