82911980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{773}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 181004544

約数和(自身を除く): 98092564

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 173, 310, 346, 620, 692, 773, 865, 1546, 1730, 3092, 3460, 3865, 5363, 7730, 10726, 15460, 21452, 23963, 26815, 47926, 53630, 95852, 107260, 119815, 133729, 239630, 267458, 479260, 534916, 668645, 1337290, 2674580, 4145599, 8291198, 16582396, 20727995, 41455990, 82911980]

約数ペア:

[(1, 82911980), (2, 41455990), (4, 20727995), (5, 16582396), (10, 8291198), (20, 4145599), (31, 2674580), (62, 1337290), (124, 668645), (155, 534916), (173, 479260), (310, 267458), (346, 239630), (620, 133729), (692, 119815), (773, 107260), (865, 95852), (1546, 53630), (1730, 47926), (3092, 26815), (3460, 23963), (3865, 21452), (5363, 15460), (7730, 10726)]