245366920

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{25453}}^1$

素因数の和:25705

約数の個数: 32

約数和(自身を含む): 554388120

約数和(自身を除く): 309021200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 9640, 25453, 50906, 101812, 127265, 203624, 254530, 509060, 1018120, 6134173, 12268346, 24536692, 30670865, 49073384, 61341730, 122683460, 245366920]

約数ペア:

[(1, 245366920), (2, 122683460), (4, 61341730), (5, 49073384), (8, 30670865), (10, 24536692), (20, 12268346), (40, 6134173), (241, 1018120), (482, 509060), (964, 254530), (1205, 203624), (1928, 127265), (2410, 101812), (4820, 50906), (9640, 25453)]