8045800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{821}}^1$

素因数の和:851

約数の個数: 72

約数和(自身を含む): 21787110

約数和(自身を除く): 13741310

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 821, 980, 1225, 1400, 1642, 1960, 2450, 3284, 4105, 4900, 5747, 6568, 8210, 9800, 11494, 16420, 20525, 22988, 28735, 32840, 40229, 41050, 45976, 57470, 80458, 82100, 114940, 143675, 160916, 164200, 201145, 229880, 287350, 321832, 402290, 574700, 804580, 1005725, 1149400, 1609160, 2011450, 4022900, 8045800]

約数ペア:

[(1, 8045800), (2, 4022900), (4, 2011450), (5, 1609160), (7, 1149400), (8, 1005725), (10, 804580), (14, 574700), (20, 402290), (25, 321832), (28, 287350), (35, 229880), (40, 201145), (49, 164200), (50, 160916), (56, 143675), (70, 114940), (98, 82100), (100, 80458), (140, 57470), (175, 45976), (196, 41050), (200, 40229), (245, 32840), (280, 28735), (350, 22988), (392, 20525), (490, 16420), (700, 11494), (821, 9800), (980, 8210), (1225, 6568), (1400, 5747), (1642, 4900), (1960, 4105), (2450, 3284)]