72061825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 102850560

約数和(自身を除く): 30788735

約数列:

[1, 5, 11, 25, 31, 55, 79, 107, 155, 275, 341, 395, 535, 775, 869, 1177, 1705, 1975, 2449, 2675, 3317, 4345, 5885, 8453, 8525, 12245, 16585, 21725, 26939, 29425, 36487, 42265, 61225, 82925, 92983, 134695, 182435, 211325, 262043, 464915, 673475, 912175, 1310215, 2324575, 2882473, 6551075, 14412365, 72061825]

約数ペア:

[(1, 72061825), (5, 14412365), (11, 6551075), (25, 2882473), (31, 2324575), (55, 1310215), (79, 912175), (107, 673475), (155, 464915), (275, 262043), (341, 211325), (395, 182435), (535, 134695), (775, 92983), (869, 82925), (1177, 61225), (1705, 42265), (1975, 36487), (2449, 29425), (2675, 26939), (3317, 21725), (4345, 16585), (5885, 12245), (8453, 8525)]