40480640

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3329}}^1$

素因数の和:3367

約数の個数: 64

約数和(自身を含む): 101898000

約数和(自身を除く): 61417360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 3329, 6080, 6658, 12160, 13316, 16645, 26632, 33290, 53264, 63251, 66580, 106528, 126502, 133160, 213056, 253004, 266320, 316255, 426112, 506008, 532640, 632510, 1012016, 1065280, 1265020, 2024032, 2130560, 2530040, 4048064, 5060080, 8096128, 10120160, 20240320, 40480640]

約数ペア:

[(1, 40480640), (2, 20240320), (4, 10120160), (5, 8096128), (8, 5060080), (10, 4048064), (16, 2530040), (19, 2130560), (20, 2024032), (32, 1265020), (38, 1065280), (40, 1012016), (64, 632510), (76, 532640), (80, 506008), (95, 426112), (128, 316255), (152, 266320), (160, 253004), (190, 213056), (304, 133160), (320, 126502), (380, 106528), (608, 66580), (640, 63251), (760, 53264), (1216, 33290), (1520, 26632), (2432, 16645), (3040, 13316), (3329, 12160), (6080, 6658)]