13671320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 33747840

約数和(自身を除く): 20076520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 431, 488, 520, 610, 793, 862, 1220, 1586, 1724, 2155, 2440, 3172, 3448, 3965, 4310, 5603, 6344, 7930, 8620, 11206, 15860, 17240, 22412, 26291, 28015, 31720, 44824, 52582, 56030, 105164, 112060, 131455, 210328, 224120, 262910, 341783, 525820, 683566, 1051640, 1367132, 1708915, 2734264, 3417830, 6835660, 13671320]

約数ペア:

[(1, 13671320), (2, 6835660), (4, 3417830), (5, 2734264), (8, 1708915), (10, 1367132), (13, 1051640), (20, 683566), (26, 525820), (40, 341783), (52, 262910), (61, 224120), (65, 210328), (104, 131455), (122, 112060), (130, 105164), (244, 56030), (260, 52582), (305, 44824), (431, 31720), (488, 28015), (520, 26291), (610, 22412), (793, 17240), (862, 15860), (1220, 11206), (1586, 8620), (1724, 7930), (2155, 6344), (2440, 5603), (3172, 4310), (3448, 3965)]