2120804920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{11113}}^1$

素因数の和:11504

約数の個数: 64

約数和(自身を含む): 5153339520

約数和(自身を除く): 3032534600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 367, 520, 734, 1468, 1835, 2936, 3670, 4771, 7340, 9542, 11113, 14680, 19084, 22226, 23855, 38168, 44452, 47710, 55565, 88904, 95420, 111130, 144469, 190840, 222260, 288938, 444520, 577876, 722345, 1155752, 1444690, 2889380, 4078471, 5778760, 8156942, 16313884, 20392355, 32627768, 40784710, 53020123, 81569420, 106040246, 163138840, 212080492, 265100615, 424160984, 530201230, 1060402460, 2120804920]

約数ペア:

[(1, 2120804920), (2, 1060402460), (4, 530201230), (5, 424160984), (8, 265100615), (10, 212080492), (13, 163138840), (20, 106040246), (26, 81569420), (40, 53020123), (52, 40784710), (65, 32627768), (104, 20392355), (130, 16313884), (260, 8156942), (367, 5778760), (520, 4078471), (734, 2889380), (1468, 1444690), (1835, 1155752), (2936, 722345), (3670, 577876), (4771, 444520), (7340, 288938), (9542, 222260), (11113, 190840), (14680, 144469), (19084, 111130), (22226, 95420), (23855, 88904), (38168, 55565), (44452, 47710)]