40787630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 84672000

約数和(自身を除く): 43884370

約数列:

[1, 2, 5, 10, 13, 26, 29, 31, 58, 62, 65, 130, 145, 155, 290, 310, 349, 377, 403, 698, 754, 806, 899, 1745, 1798, 1885, 2015, 3490, 3770, 4030, 4495, 4537, 8990, 9074, 10121, 10819, 11687, 20242, 21638, 22685, 23374, 45370, 50605, 54095, 58435, 101210, 108190, 116870, 131573, 140647, 263146, 281294, 313751, 627502, 657865, 703235, 1315730, 1406470, 1568755, 3137510, 4078763, 8157526, 20393815, 40787630]

約数ペア:

[(1, 40787630), (2, 20393815), (5, 8157526), (10, 4078763), (13, 3137510), (26, 1568755), (29, 1406470), (31, 1315730), (58, 703235), (62, 657865), (65, 627502), (130, 313751), (145, 281294), (155, 263146), (290, 140647), (310, 131573), (349, 116870), (377, 108190), (403, 101210), (698, 58435), (754, 54095), (806, 50605), (899, 45370), (1745, 23374), (1798, 22685), (1885, 21638), (2015, 20242), (3490, 11687), (3770, 10819), (4030, 10121), (4495, 9074), (4537, 8990)]