40070625

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 79174656

約数和(自身を除く): 39104031

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 71, 75, 105, 125, 129, 175, 213, 215, 301, 355, 375, 497, 525, 625, 645, 875, 903, 1065, 1075, 1491, 1505, 1775, 1875, 2485, 2625, 3053, 3225, 4375, 4515, 5325, 5375, 7455, 7525, 8875, 9159, 12425, 13125, 15265, 16125, 21371, 22575, 26625, 26875, 37275, 37625, 44375, 45795, 62125, 64113, 76325, 80625, 106855, 112875, 133125, 186375, 188125, 228975, 310625, 320565, 381625, 534275, 564375, 931875, 1144875, 1602825, 1908125, 2671375, 5724375, 8014125, 13356875, 40070625]

約数ペア:

[(1, 40070625), (3, 13356875), (5, 8014125), (7, 5724375), (15, 2671375), (21, 1908125), (25, 1602825), (35, 1144875), (43, 931875), (71, 564375), (75, 534275), (105, 381625), (125, 320565), (129, 310625), (175, 228975), (213, 188125), (215, 186375), (301, 133125), (355, 112875), (375, 106855), (497, 80625), (525, 76325), (625, 64113), (645, 62125), (875, 45795), (903, 44375), (1065, 37625), (1075, 37275), (1491, 26875), (1505, 26625), (1775, 22575), (1875, 21371), (2485, 16125), (2625, 15265), (3053, 13125), (3225, 12425), (4375, 9159), (4515, 8875), (5325, 7525), (5375, 7455)]