40726880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13397}}^1$

素因数の和:13431

約数の個数: 48

約数和(自身を含む): 101288880

約数和(自身を除く): 60562000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 13397, 26794, 53588, 66985, 107176, 133970, 214352, 254543, 267940, 428704, 509086, 535880, 1018172, 1071760, 1272715, 2036344, 2143520, 2545430, 4072688, 5090860, 8145376, 10181720, 20363440, 40726880]

約数ペア:

[(1, 40726880), (2, 20363440), (4, 10181720), (5, 8145376), (8, 5090860), (10, 4072688), (16, 2545430), (19, 2143520), (20, 2036344), (32, 1272715), (38, 1071760), (40, 1018172), (76, 535880), (80, 509086), (95, 428704), (152, 267940), (160, 254543), (190, 214352), (304, 133970), (380, 107176), (608, 66985), (760, 53588), (1520, 26794), (3040, 13397)]