25361720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 59754240

約数和(自身を除く): 34392520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 113, 124, 155, 181, 226, 248, 310, 362, 452, 565, 620, 724, 904, 905, 1130, 1240, 1448, 1810, 2260, 3503, 3620, 4520, 5611, 7006, 7240, 11222, 14012, 17515, 20453, 22444, 28024, 28055, 35030, 40906, 44888, 56110, 70060, 81812, 102265, 112220, 140120, 163624, 204530, 224440, 409060, 634043, 818120, 1268086, 2536172, 3170215, 5072344, 6340430, 12680860, 25361720]

約数ペア:

[(1, 25361720), (2, 12680860), (4, 6340430), (5, 5072344), (8, 3170215), (10, 2536172), (20, 1268086), (31, 818120), (40, 634043), (62, 409060), (113, 224440), (124, 204530), (155, 163624), (181, 140120), (226, 112220), (248, 102265), (310, 81812), (362, 70060), (452, 56110), (565, 44888), (620, 40906), (724, 35030), (904, 28055), (905, 28024), (1130, 22444), (1240, 20453), (1448, 17515), (1810, 14012), (2260, 11222), (3503, 7240), (3620, 7006), (4520, 5611)]