65109640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2\times {\mathrm{41}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 159553800

約数和(自身を除く): 94444160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 41, 58, 74, 82, 116, 145, 148, 164, 185, 205, 232, 290, 296, 328, 370, 410, 580, 740, 820, 1073, 1160, 1189, 1369, 1480, 1517, 1640, 2146, 2378, 2738, 3034, 4292, 4756, 5365, 5476, 5945, 6068, 6845, 7585, 8584, 9512, 10730, 10952, 11890, 12136, 13690, 15170, 21460, 23780, 27380, 30340, 39701, 42920, 43993, 47560, 54760, 56129, 60680, 79402, 87986, 112258, 158804, 175972, 198505, 219965, 224516, 280645, 317608, 351944, 397010, 439930, 449032, 561290, 794020, 879860, 1122580, 1588040, 1627741, 1759720, 2245160, 3255482, 6510964, 8138705, 13021928, 16277410, 32554820, 65109640]

約数ペア:

[(1, 65109640), (2, 32554820), (4, 16277410), (5, 13021928), (8, 8138705), (10, 6510964), (20, 3255482), (29, 2245160), (37, 1759720), (40, 1627741), (41, 1588040), (58, 1122580), (74, 879860), (82, 794020), (116, 561290), (145, 449032), (148, 439930), (164, 397010), (185, 351944), (205, 317608), (232, 280645), (290, 224516), (296, 219965), (328, 198505), (370, 175972), (410, 158804), (580, 112258), (740, 87986), (820, 79402), (1073, 60680), (1160, 56129), (1189, 54760), (1369, 47560), (1480, 43993), (1517, 42920), (1640, 39701), (2146, 30340), (2378, 27380), (2738, 23780), (3034, 21460), (4292, 15170), (4756, 13690), (5365, 12136), (5476, 11890), (5945, 10952), (6068, 10730), (6845, 9512), (7585, 8584)]