42215875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 57605184

約数和(自身を除く): 15389309

約数列:

[1, 5, 13, 25, 65, 83, 125, 313, 325, 415, 1079, 1565, 1625, 2075, 4069, 5395, 7825, 10375, 20345, 25979, 26975, 39125, 101725, 129895, 134875, 337727, 508625, 649475, 1688635, 3247375, 8443175, 42215875]

約数ペア:

[(1, 42215875), (5, 8443175), (13, 3247375), (25, 1688635), (65, 649475), (83, 508625), (125, 337727), (313, 134875), (325, 129895), (415, 101725), (1079, 39125), (1565, 26975), (1625, 25979), (2075, 20345), (4069, 10375), (5395, 7825)]