80902640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11113}}^1$

素因数の和:11146

約数の個数: 80

約数和(自身を含む): 231526848

約数和(自身を除く): 150624208

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 11113, 22226, 44452, 55565, 77791, 88904, 111130, 144469, 155582, 177808, 222260, 288938, 311164, 388955, 444520, 577876, 622328, 722345, 777910, 889040, 1011283, 1155752, 1244656, 1444690, 1555820, 2022566, 2311504, 2889380, 3111640, 4045132, 5056415, 5778760, 6223280, 8090264, 10112830, 11557520, 16180528, 20225660, 40451320, 80902640]

約数ペア:

[(1, 80902640), (2, 40451320), (4, 20225660), (5, 16180528), (7, 11557520), (8, 10112830), (10, 8090264), (13, 6223280), (14, 5778760), (16, 5056415), (20, 4045132), (26, 3111640), (28, 2889380), (35, 2311504), (40, 2022566), (52, 1555820), (56, 1444690), (65, 1244656), (70, 1155752), (80, 1011283), (91, 889040), (104, 777910), (112, 722345), (130, 622328), (140, 577876), (182, 444520), (208, 388955), (260, 311164), (280, 288938), (364, 222260), (455, 177808), (520, 155582), (560, 144469), (728, 111130), (910, 88904), (1040, 77791), (1456, 55565), (1820, 44452), (3640, 22226), (7280, 11113)]