83962840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2647}}^1$

素因数の和:2732

約数の個数: 64

約数和(自身を含む): 206861760

約数和(自身を除く): 122898920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 2440, 2647, 3172, 3965, 5294, 6344, 7930, 10588, 13235, 15860, 21176, 26470, 31720, 34411, 52940, 68822, 105880, 137644, 161467, 172055, 275288, 322934, 344110, 645868, 688220, 807335, 1291736, 1376440, 1614670, 2099071, 3229340, 4198142, 6458680, 8396284, 10495355, 16792568, 20990710, 41981420, 83962840]

約数ペア:

[(1, 83962840), (2, 41981420), (4, 20990710), (5, 16792568), (8, 10495355), (10, 8396284), (13, 6458680), (20, 4198142), (26, 3229340), (40, 2099071), (52, 1614670), (61, 1376440), (65, 1291736), (104, 807335), (122, 688220), (130, 645868), (244, 344110), (260, 322934), (305, 275288), (488, 172055), (520, 161467), (610, 137644), (793, 105880), (1220, 68822), (1586, 52940), (2440, 34411), (2647, 31720), (3172, 26470), (3965, 21176), (5294, 15860), (6344, 13235), (7930, 10588)]