28540996840

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1319}}^1\times {\mathrm{2011}}^1$

素因数の和:3610

約数の個数: 64

約数和(自身を含む): 64536912000

約数和(自身を除く): 35995915160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1319, 1345, 2011, 2152, 2638, 2690, 4022, 5276, 5380, 6595, 8044, 10055, 10552, 10760, 13190, 16088, 20110, 26380, 40220, 52760, 80440, 354811, 540959, 709622, 1081918, 1419244, 1774055, 2163836, 2652509, 2704795, 2838488, 3548110, 4327672, 5305018, 5409590, 7096220, 10610036, 10819180, 13262545, 14192440, 21220072, 21638360, 26525090, 53050180, 106100360, 713524921, 1427049842, 2854099684, 3567624605, 5708199368, 7135249210, 14270498420, 28540996840]

約数ペア:

[(1, 28540996840), (2, 14270498420), (4, 7135249210), (5, 5708199368), (8, 3567624605), (10, 2854099684), (20, 1427049842), (40, 713524921), (269, 106100360), (538, 53050180), (1076, 26525090), (1319, 21638360), (1345, 21220072), (2011, 14192440), (2152, 13262545), (2638, 10819180), (2690, 10610036), (4022, 7096220), (5276, 5409590), (5380, 5305018), (6595, 4327672), (8044, 3548110), (10055, 2838488), (10552, 2704795), (10760, 2652509), (13190, 2163836), (16088, 1774055), (20110, 1419244), (26380, 1081918), (40220, 709622), (52760, 540959), (80440, 354811)]