38481560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1721}}^1$

素因数の和:1788

約数の個数: 64

約数和(自身を含む): 95467680

約数和(自身を除く): 56986120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 1721, 2236, 2795, 3442, 4472, 5590, 6884, 8605, 11180, 13768, 17210, 22360, 22373, 34420, 44746, 68840, 74003, 89492, 111865, 148006, 178984, 223730, 296012, 370015, 447460, 592024, 740030, 894920, 962039, 1480060, 1924078, 2960120, 3848156, 4810195, 7696312, 9620390, 19240780, 38481560]

約数ペア:

[(1, 38481560), (2, 19240780), (4, 9620390), (5, 7696312), (8, 4810195), (10, 3848156), (13, 2960120), (20, 1924078), (26, 1480060), (40, 962039), (43, 894920), (52, 740030), (65, 592024), (86, 447460), (104, 370015), (130, 296012), (172, 223730), (215, 178984), (260, 148006), (344, 111865), (430, 89492), (520, 74003), (559, 68840), (860, 44746), (1118, 34420), (1720, 22373), (1721, 22360), (2236, 17210), (2795, 13768), (3442, 11180), (4472, 8605), (5590, 6884)]