13283620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 32094720

約数和(自身を除く): 18811100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 397, 478, 794, 956, 1195, 1588, 1673, 1985, 2390, 2779, 3346, 3970, 4780, 5558, 6692, 7940, 8365, 11116, 13895, 16730, 27790, 33460, 55580, 94883, 189766, 379532, 474415, 664181, 948830, 1328362, 1897660, 2656724, 3320905, 6641810, 13283620]

約数ペア:

[(1, 13283620), (2, 6641810), (4, 3320905), (5, 2656724), (7, 1897660), (10, 1328362), (14, 948830), (20, 664181), (28, 474415), (35, 379532), (70, 189766), (140, 94883), (239, 55580), (397, 33460), (478, 27790), (794, 16730), (956, 13895), (1195, 11116), (1588, 8365), (1673, 7940), (1985, 6692), (2390, 5558), (2779, 4780), (3346, 3970)]