72225725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 106868160

約数和(自身を除く): 34642435

約数列:

[1, 5, 11, 13, 25, 55, 65, 89, 143, 227, 275, 325, 445, 715, 979, 1135, 1157, 2225, 2497, 2951, 3575, 4895, 5675, 5785, 12485, 12727, 14755, 20203, 24475, 28925, 32461, 62425, 63635, 73775, 101015, 162305, 222233, 262639, 318175, 505075, 811525, 1111165, 1313195, 2889029, 5555825, 6565975, 14445145, 72225725]

約数ペア:

[(1, 72225725), (5, 14445145), (11, 6565975), (13, 5555825), (25, 2889029), (55, 1313195), (65, 1111165), (89, 811525), (143, 505075), (227, 318175), (275, 262639), (325, 222233), (445, 162305), (715, 101015), (979, 73775), (1135, 63635), (1157, 62425), (2225, 32461), (2497, 28925), (2951, 24475), (3575, 20203), (4895, 14755), (5675, 12727), (5785, 12485)]