258923380720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{104404589}}^1$

素因数の和:104404633

約数の個数: 40

約数和(自身を含む): 621416119680

約数和(自身を除く): 362492738960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 104404589, 208809178, 417618356, 522022945, 835236712, 1044045890, 1670473424, 2088091780, 3236542259, 4176183560, 6473084518, 8352367120, 12946169036, 16182711295, 25892338072, 32365422590, 51784676144, 64730845180, 129461690360, 258923380720]

約数ペア:

[(1, 258923380720), (2, 129461690360), (4, 64730845180), (5, 51784676144), (8, 32365422590), (10, 25892338072), (16, 16182711295), (20, 12946169036), (31, 8352367120), (40, 6473084518), (62, 4176183560), (80, 3236542259), (124, 2088091780), (155, 1670473424), (248, 1044045890), (310, 835236712), (496, 522022945), (620, 417618356), (1240, 208809178), (2480, 104404589)]