320415875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8573}}^1$

素因数の和:8624

約数の個数: 32

約数和(自身を含む): 449414784

約数和(自身を除く): 128998909

約数列:

[1, 5, 13, 23, 25, 65, 115, 125, 299, 325, 575, 1495, 1625, 2875, 7475, 8573, 37375, 42865, 111449, 197179, 214325, 557245, 985895, 1071625, 2563327, 2786225, 4929475, 12816635, 13931125, 24647375, 64083175, 320415875]

約数ペア:

[(1, 320415875), (5, 64083175), (13, 24647375), (23, 13931125), (25, 12816635), (65, 4929475), (115, 2786225), (125, 2563327), (299, 1071625), (325, 985895), (575, 557245), (1495, 214325), (1625, 197179), (2875, 111449), (7475, 42865), (8573, 37375)]