31373750

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1362

約数の個数: 40

約数和(自身を含む): 61948920

約数和(自身を除く): 30575170

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 625, 950, 1250, 1321, 2375, 2642, 4750, 6605, 11875, 13210, 23750, 25099, 33025, 50198, 66050, 125495, 165125, 250990, 330250, 627475, 825625, 1254950, 1651250, 3137375, 6274750, 15686875, 31373750]

約数ペア:

[(1, 31373750), (2, 15686875), (5, 6274750), (10, 3137375), (19, 1651250), (25, 1254950), (38, 825625), (50, 627475), (95, 330250), (125, 250990), (190, 165125), (250, 125495), (475, 66050), (625, 50198), (950, 33025), (1250, 25099), (1321, 23750), (2375, 13210), (2642, 11875), (4750, 6605)]