89649520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1$

素因数の和:1058

約数の個数: 80

約数和(自身を含む): 221200128

約数和(自身を除く): 131550608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 977, 1147, 1240, 1480, 1954, 2294, 2480, 2960, 3908, 4588, 4885, 5735, 7816, 9176, 9770, 11470, 15632, 18352, 19540, 22940, 30287, 36149, 39080, 45880, 60574, 72298, 78160, 91760, 121148, 144596, 151435, 180745, 242296, 289192, 302870, 361490, 484592, 578384, 605740, 722980, 1120619, 1211480, 1445960, 2241238, 2422960, 2891920, 4482476, 5603095, 8964952, 11206190, 17929904, 22412380, 44824760, 89649520]

約数ペア:

[(1, 89649520), (2, 44824760), (4, 22412380), (5, 17929904), (8, 11206190), (10, 8964952), (16, 5603095), (20, 4482476), (31, 2891920), (37, 2422960), (40, 2241238), (62, 1445960), (74, 1211480), (80, 1120619), (124, 722980), (148, 605740), (155, 578384), (185, 484592), (248, 361490), (296, 302870), (310, 289192), (370, 242296), (496, 180745), (592, 151435), (620, 144596), (740, 121148), (977, 91760), (1147, 78160), (1240, 72298), (1480, 60574), (1954, 45880), (2294, 39080), (2480, 36149), (2960, 30287), (3908, 22940), (4588, 19540), (4885, 18352), (5735, 15632), (7816, 11470), (9176, 9770)]