1293325656880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{521502281}}^1$

素因数の和:521502325

約数の個数: 40

約数和(自身を含む): 3103981582464

約数和(自身を除く): 1810655925584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 521502281, 1043004562, 2086009124, 2607511405, 4172018248, 5215022810, 8344036496, 10430045620, 16166570711, 20860091240, 32333141422, 41720182480, 64666282844, 80832853555, 129332565688, 161665707110, 258665131376, 323331414220, 646662828440, 1293325656880]

約数ペア:

[(1, 1293325656880), (2, 646662828440), (4, 323331414220), (5, 258665131376), (8, 161665707110), (10, 129332565688), (16, 80832853555), (20, 64666282844), (31, 41720182480), (40, 32333141422), (62, 20860091240), (80, 16166570711), (124, 10430045620), (155, 8344036496), (248, 5215022810), (310, 4172018248), (496, 2607511405), (620, 2086009124), (1240, 1043004562), (2480, 521502281)]