26567240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 68774400

約数和(自身を除く): 42207160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 397, 478, 794, 956, 1195, 1588, 1673, 1912, 1985, 2390, 2779, 3176, 3346, 3970, 4780, 5558, 6692, 7940, 8365, 9560, 11116, 13384, 13895, 15880, 16730, 22232, 27790, 33460, 55580, 66920, 94883, 111160, 189766, 379532, 474415, 664181, 759064, 948830, 1328362, 1897660, 2656724, 3320905, 3795320, 5313448, 6641810, 13283620, 26567240]

約数ペア:

[(1, 26567240), (2, 13283620), (4, 6641810), (5, 5313448), (7, 3795320), (8, 3320905), (10, 2656724), (14, 1897660), (20, 1328362), (28, 948830), (35, 759064), (40, 664181), (56, 474415), (70, 379532), (140, 189766), (239, 111160), (280, 94883), (397, 66920), (478, 55580), (794, 33460), (956, 27790), (1195, 22232), (1588, 16730), (1673, 15880), (1912, 13895), (1985, 13384), (2390, 11116), (2779, 9560), (3176, 8365), (3346, 7940), (3970, 6692), (4780, 5558)]