80455054640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6521}}^1\times {\mathrm{8117}}^1$

素因数の和:14670

約数の個数: 80

約数和(自身を含む): 196957617120

約数和(自身を除く): 116502562480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 6521, 8117, 13042, 16234, 26084, 32468, 32605, 40585, 52168, 64936, 65210, 81170, 104336, 123899, 129872, 130420, 154223, 162340, 247798, 260840, 308446, 324680, 495596, 521680, 616892, 619495, 649360, 771115, 991192, 1233784, 1238990, 1542230, 1982384, 2467568, 2477980, 3084460, 4955960, 6168920, 9911920, 12337840, 52930957, 105861914, 211723828, 264654785, 423447656, 529309570, 846895312, 1005688183, 1058619140, 2011376366, 2117238280, 4022752732, 4234476560, 5028440915, 8045505464, 10056881830, 16091010928, 20113763660, 40227527320, 80455054640]

約数ペア:

[(1, 80455054640), (2, 40227527320), (4, 20113763660), (5, 16091010928), (8, 10056881830), (10, 8045505464), (16, 5028440915), (19, 4234476560), (20, 4022752732), (38, 2117238280), (40, 2011376366), (76, 1058619140), (80, 1005688183), (95, 846895312), (152, 529309570), (190, 423447656), (304, 264654785), (380, 211723828), (760, 105861914), (1520, 52930957), (6521, 12337840), (8117, 9911920), (13042, 6168920), (16234, 4955960), (26084, 3084460), (32468, 2477980), (32605, 2467568), (40585, 1982384), (52168, 1542230), (64936, 1238990), (65210, 1233784), (81170, 991192), (104336, 771115), (123899, 649360), (129872, 619495), (130420, 616892), (154223, 521680), (162340, 495596), (247798, 324680), (260840, 308446)]