86380880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:676

約数の個数: 80

約数和(自身を含む): 211081728

約数和(自身を除く): 124700848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 305, 310, 488, 496, 571, 610, 620, 976, 1142, 1220, 1240, 1891, 2284, 2440, 2480, 2855, 3782, 4568, 4880, 5710, 7564, 9136, 9455, 11420, 15128, 17701, 18910, 22840, 30256, 34831, 35402, 37820, 45680, 69662, 70804, 75640, 88505, 139324, 141608, 151280, 174155, 177010, 278648, 283216, 348310, 354020, 557296, 696620, 708040, 1079761, 1393240, 1416080, 2159522, 2786480, 4319044, 5398805, 8638088, 10797610, 17276176, 21595220, 43190440, 86380880]

約数ペア:

[(1, 86380880), (2, 43190440), (4, 21595220), (5, 17276176), (8, 10797610), (10, 8638088), (16, 5398805), (20, 4319044), (31, 2786480), (40, 2159522), (61, 1416080), (62, 1393240), (80, 1079761), (122, 708040), (124, 696620), (155, 557296), (244, 354020), (248, 348310), (305, 283216), (310, 278648), (488, 177010), (496, 174155), (571, 151280), (610, 141608), (620, 139324), (976, 88505), (1142, 75640), (1220, 70804), (1240, 69662), (1891, 45680), (2284, 37820), (2440, 35402), (2480, 34831), (2855, 30256), (3782, 22840), (4568, 18910), (4880, 17701), (5710, 15128), (7564, 11420), (9136, 9455)]