2147440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1579}}^1$

素因数の和:1609

約数の個数: 40

約数和(自身を含む): 5289840

約数和(自身を除く): 3142400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1579, 3158, 6316, 7895, 12632, 15790, 25264, 26843, 31580, 53686, 63160, 107372, 126320, 134215, 214744, 268430, 429488, 536860, 1073720, 2147440]

約数ペア:

[(1, 2147440), (2, 1073720), (4, 536860), (5, 429488), (8, 268430), (10, 214744), (16, 134215), (17, 126320), (20, 107372), (34, 63160), (40, 53686), (68, 31580), (80, 26843), (85, 25264), (136, 15790), (170, 12632), (272, 7895), (340, 6316), (680, 3158), (1360, 1579)]