40089975

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 70185984

約数和(自身を除く): 30096009

約数列:

[1, 3, 5, 15, 25, 31, 43, 75, 93, 129, 155, 215, 401, 465, 645, 775, 1075, 1203, 1333, 2005, 2325, 3225, 3999, 6015, 6665, 10025, 12431, 17243, 19995, 30075, 33325, 37293, 51729, 62155, 86215, 99975, 186465, 258645, 310775, 431075, 534533, 932325, 1293225, 1603599, 2672665, 8017995, 13363325, 40089975]

約数ペア:

[(1, 40089975), (3, 13363325), (5, 8017995), (15, 2672665), (25, 1603599), (31, 1293225), (43, 932325), (75, 534533), (93, 431075), (129, 310775), (155, 258645), (215, 186465), (401, 99975), (465, 86215), (645, 62155), (775, 51729), (1075, 37293), (1203, 33325), (1333, 30075), (2005, 19995), (2325, 17243), (3225, 12431), (3999, 10025), (6015, 6665)]