49136240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19813}}^1$

素因数の和:19857

約数の個数: 40

約数和(自身を含む): 117932928

約数和(自身を除く): 68796688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 19813, 39626, 79252, 99065, 158504, 198130, 317008, 396260, 614203, 792520, 1228406, 1585040, 2456812, 3071015, 4913624, 6142030, 9827248, 12284060, 24568120, 49136240]

約数ペア:

[(1, 49136240), (2, 24568120), (4, 12284060), (5, 9827248), (8, 6142030), (10, 4913624), (16, 3071015), (20, 2456812), (31, 1585040), (40, 1228406), (62, 792520), (80, 614203), (124, 396260), (155, 317008), (248, 198130), (310, 158504), (496, 99065), (620, 79252), (1240, 39626), (2480, 19813)]