42258125

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{743}}^1$

素因数の和:783

約数の個数: 40

約数和(自身を含む): 65079168

約数和(自身を除く): 22821043

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 325, 455, 625, 743, 875, 1625, 2275, 3715, 4375, 5201, 8125, 9659, 11375, 18575, 26005, 48295, 56875, 67613, 92875, 130025, 241475, 338065, 464375, 650125, 1207375, 1690325, 3250625, 6036875, 8451625, 42258125]

約数ペア:

[(1, 42258125), (5, 8451625), (7, 6036875), (13, 3250625), (25, 1690325), (35, 1207375), (65, 650125), (91, 464375), (125, 338065), (175, 241475), (325, 130025), (455, 92875), (625, 67613), (743, 56875), (875, 48295), (1625, 26005), (2275, 18575), (3715, 11375), (4375, 9659), (5201, 8125)]