20131250620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{401}}^1\times {\mathrm{659}}^1$

素因数の和:1375

約数の個数: 96

約数和(自身を含む): 45866399040

約数和(自身を除く): 25735148420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 293, 401, 586, 659, 802, 1172, 1318, 1465, 1604, 2005, 2636, 2930, 3295, 3809, 4010, 5213, 5860, 6590, 7618, 8020, 8567, 10426, 13180, 15236, 17134, 19045, 20852, 26065, 34268, 38090, 42835, 52130, 76180, 85670, 104260, 117493, 171340, 193087, 234986, 264259, 386174, 469972, 528518, 587465, 772348, 965435, 1057036, 1174930, 1321295, 1527409, 1930870, 2349860, 2510131, 2642590, 3054818, 3435367, 3861740, 5020262, 5285180, 6109636, 6870734, 7637045, 10040524, 12550655, 13741468, 15274090, 17176835, 25101310, 30548180, 34353670, 50202620, 68707340, 77427887, 154855774, 309711548, 387139435, 774278870, 1006562531, 1548557740, 2013125062, 4026250124, 5032812655, 10065625310, 20131250620]

約数ペア:

[(1, 20131250620), (2, 10065625310), (4, 5032812655), (5, 4026250124), (10, 2013125062), (13, 1548557740), (20, 1006562531), (26, 774278870), (52, 387139435), (65, 309711548), (130, 154855774), (260, 77427887), (293, 68707340), (401, 50202620), (586, 34353670), (659, 30548180), (802, 25101310), (1172, 17176835), (1318, 15274090), (1465, 13741468), (1604, 12550655), (2005, 10040524), (2636, 7637045), (2930, 6870734), (3295, 6109636), (3809, 5285180), (4010, 5020262), (5213, 3861740), (5860, 3435367), (6590, 3054818), (7618, 2642590), (8020, 2510131), (8567, 2349860), (10426, 1930870), (13180, 1527409), (15236, 1321295), (17134, 1174930), (19045, 1057036), (20852, 965435), (26065, 772348), (34268, 587465), (38090, 528518), (42835, 469972), (52130, 386174), (76180, 264259), (85670, 234986), (104260, 193087), (117493, 171340)]