40950520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1291}}^1$

素因数の和:1376

約数の個数: 64

約数和(自身を含む): 100931040

約数和(自身を除く): 59980520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1291, 1586, 2440, 2582, 3172, 3965, 5164, 6344, 6455, 7930, 10328, 12910, 15860, 16783, 25820, 31720, 33566, 51640, 67132, 78751, 83915, 134264, 157502, 167830, 315004, 335660, 393755, 630008, 671320, 787510, 1023763, 1575020, 2047526, 3150040, 4095052, 5118815, 8190104, 10237630, 20475260, 40950520]

約数ペア:

[(1, 40950520), (2, 20475260), (4, 10237630), (5, 8190104), (8, 5118815), (10, 4095052), (13, 3150040), (20, 2047526), (26, 1575020), (40, 1023763), (52, 787510), (61, 671320), (65, 630008), (104, 393755), (122, 335660), (130, 315004), (244, 167830), (260, 157502), (305, 134264), (488, 83915), (520, 78751), (610, 67132), (793, 51640), (1220, 33566), (1291, 31720), (1586, 25820), (2440, 16783), (2582, 15860), (3172, 12910), (3965, 10328), (5164, 7930), (6344, 6455)]