53993875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 73382400

約数和(自身を除く): 19388525

約数列:

[1, 5, 13, 25, 65, 125, 149, 223, 325, 745, 1115, 1625, 1937, 2899, 3725, 5575, 9685, 14495, 18625, 27875, 33227, 48425, 72475, 166135, 242125, 362375, 431951, 830675, 2159755, 4153375, 10798775, 53993875]

約数ペア:

[(1, 53993875), (5, 10798775), (13, 4153375), (25, 2159755), (65, 830675), (125, 431951), (149, 362375), (223, 242125), (325, 166135), (745, 72475), (1115, 48425), (1625, 33227), (1937, 27875), (2899, 18625), (3725, 14495), (5575, 9685)]