40647568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2677}}^1$

素因数の和:2771

約数の個数: 40

約数和(自身を含む): 86006648

約数和(自身を除く): 45359080

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1898, 2677, 3796, 5354, 7592, 10708, 15184, 21416, 34801, 42832, 69602, 139204, 195421, 278408, 390842, 556816, 781684, 1563368, 2540473, 3126736, 5080946, 10161892, 20323784, 40647568]

約数ペア:

[(1, 40647568), (2, 20323784), (4, 10161892), (8, 5080946), (13, 3126736), (16, 2540473), (26, 1563368), (52, 781684), (73, 556816), (104, 390842), (146, 278408), (208, 195421), (292, 139204), (584, 69602), (949, 42832), (1168, 34801), (1898, 21416), (2677, 15184), (3796, 10708), (5354, 7592)]