266596280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1319}}^1$

素因数の和:1524

約数の個数: 64

約数和(自身を含む): 623462400

約数和(自身を除く): 356866120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 163, 248, 310, 326, 620, 652, 815, 1240, 1304, 1319, 1630, 2638, 3260, 5053, 5276, 6520, 6595, 10106, 10552, 13190, 20212, 25265, 26380, 40424, 40889, 50530, 52760, 81778, 101060, 163556, 202120, 204445, 214997, 327112, 408890, 429994, 817780, 859988, 1074985, 1635560, 1719976, 2149970, 4299940, 6664907, 8599880, 13329814, 26659628, 33324535, 53319256, 66649070, 133298140, 266596280]

約数ペア:

[(1, 266596280), (2, 133298140), (4, 66649070), (5, 53319256), (8, 33324535), (10, 26659628), (20, 13329814), (31, 8599880), (40, 6664907), (62, 4299940), (124, 2149970), (155, 1719976), (163, 1635560), (248, 1074985), (310, 859988), (326, 817780), (620, 429994), (652, 408890), (815, 327112), (1240, 214997), (1304, 204445), (1319, 202120), (1630, 163556), (2638, 101060), (3260, 81778), (5053, 52760), (5276, 50530), (6520, 40889), (6595, 40424), (10106, 26380), (10552, 25265), (13190, 20212)]