13389560

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 31600800

約数和(自身を除く): 18211240

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 83, 109, 148, 166, 185, 218, 296, 332, 370, 415, 436, 545, 664, 740, 830, 872, 1090, 1480, 1660, 2180, 3071, 3320, 4033, 4360, 6142, 8066, 9047, 12284, 15355, 16132, 18094, 20165, 24568, 30710, 32264, 36188, 40330, 45235, 61420, 72376, 80660, 90470, 122840, 161320, 180940, 334739, 361880, 669478, 1338956, 1673695, 2677912, 3347390, 6694780, 13389560]

約数ペア:

[(1, 13389560), (2, 6694780), (4, 3347390), (5, 2677912), (8, 1673695), (10, 1338956), (20, 669478), (37, 361880), (40, 334739), (74, 180940), (83, 161320), (109, 122840), (148, 90470), (166, 80660), (185, 72376), (218, 61420), (296, 45235), (332, 40330), (370, 36188), (415, 32264), (436, 30710), (545, 24568), (664, 20165), (740, 18094), (830, 16132), (872, 15355), (1090, 12284), (1480, 9047), (1660, 8066), (2180, 6142), (3071, 4360), (3320, 4033)]