40207375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:364

約数の個数: 32

約数和(自身を含む): 54774720

約数和(自身を除く): 14567345

約数列:

[1, 5, 13, 25, 65, 109, 125, 227, 325, 545, 1135, 1417, 1625, 2725, 2951, 5675, 7085, 13625, 14755, 24743, 28375, 35425, 73775, 123715, 177125, 321659, 368875, 618575, 1608295, 3092875, 8041475, 40207375]

約数ペア:

[(1, 40207375), (5, 8041475), (13, 3092875), (25, 1608295), (65, 618575), (109, 368875), (125, 321659), (227, 177125), (325, 123715), (545, 73775), (1135, 35425), (1417, 28375), (1625, 24743), (2725, 14755), (2951, 13625), (5675, 7085)]