80123890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6121}}^1$

素因数の和:6163

約数の個数: 64

約数和(自身を含む): 190418688

約数和(自身を除く): 110294798

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 55, 70, 77, 85, 110, 119, 154, 170, 187, 238, 374, 385, 595, 770, 935, 1190, 1309, 1870, 2618, 6121, 6545, 12242, 13090, 30605, 42847, 61210, 67331, 85694, 104057, 134662, 208114, 214235, 336655, 428470, 471317, 520285, 673310, 728399, 942634, 1040570, 1144627, 1456798, 2289254, 2356585, 3641995, 4713170, 5723135, 7283990, 8012389, 11446270, 16024778, 40061945, 80123890]

約数ペア:

[(1, 80123890), (2, 40061945), (5, 16024778), (7, 11446270), (10, 8012389), (11, 7283990), (14, 5723135), (17, 4713170), (22, 3641995), (34, 2356585), (35, 2289254), (55, 1456798), (70, 1144627), (77, 1040570), (85, 942634), (110, 728399), (119, 673310), (154, 520285), (170, 471317), (187, 428470), (238, 336655), (374, 214235), (385, 208114), (595, 134662), (770, 104057), (935, 85694), (1190, 67331), (1309, 61210), (1870, 42847), (2618, 30605), (6121, 13090), (6545, 12242)]