1984240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1459}}^1$

素因数の和:1489

約数の個数: 40

約数和(自身を含む): 4888080

約数和(自身を除く): 2903840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1459, 2918, 5836, 7295, 11672, 14590, 23344, 24803, 29180, 49606, 58360, 99212, 116720, 124015, 198424, 248030, 396848, 496060, 992120, 1984240]

約数ペア:

[(1, 1984240), (2, 992120), (4, 496060), (5, 396848), (8, 248030), (10, 198424), (16, 124015), (17, 116720), (20, 99212), (34, 58360), (40, 49606), (68, 29180), (80, 24803), (85, 23344), (136, 14590), (170, 11672), (272, 7295), (340, 5836), (680, 2918), (1360, 1459)]