13031720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1319}}^1$

素因数の和:1362

約数の個数: 64

約数和(自身を含む): 33264000

約数和(自身を除く): 20232280

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1319, 1976, 2470, 2638, 4940, 5276, 6595, 9880, 10552, 13190, 17147, 25061, 26380, 34294, 50122, 52760, 68588, 85735, 100244, 125305, 137176, 171470, 200488, 250610, 325793, 342940, 501220, 651586, 685880, 1002440, 1303172, 1628965, 2606344, 3257930, 6515860, 13031720]

約数ペア:

[(1, 13031720), (2, 6515860), (4, 3257930), (5, 2606344), (8, 1628965), (10, 1303172), (13, 1002440), (19, 685880), (20, 651586), (26, 501220), (38, 342940), (40, 325793), (52, 250610), (65, 200488), (76, 171470), (95, 137176), (104, 125305), (130, 100244), (152, 85735), (190, 68588), (247, 52760), (260, 50122), (380, 34294), (494, 26380), (520, 25061), (760, 17147), (988, 13190), (1235, 10552), (1319, 9880), (1976, 6595), (2470, 5276), (2638, 4940)]