13083920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3989}}^1$

素因数の和:4043

約数の個数: 40

約数和(自身を含む): 31169880

約数和(自身を除く): 18085960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 3989, 7978, 15956, 19945, 31912, 39890, 63824, 79780, 159560, 163549, 319120, 327098, 654196, 817745, 1308392, 1635490, 2616784, 3270980, 6541960, 13083920]

約数ペア:

[(1, 13083920), (2, 6541960), (4, 3270980), (5, 2616784), (8, 1635490), (10, 1308392), (16, 817745), (20, 654196), (40, 327098), (41, 319120), (80, 163549), (82, 159560), (164, 79780), (205, 63824), (328, 39890), (410, 31912), (656, 19945), (820, 15956), (1640, 7978), (3280, 3989)]