2013289720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{49009}}^1$

素因数の和:49112

約数の個数: 64

約数和(自身を含む): 4940208000

約数和(自身を除く): 2926918280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 1027, 1580, 2054, 3160, 4108, 5135, 8216, 10270, 20540, 41080, 49009, 98018, 196036, 245045, 392072, 490090, 637117, 980180, 1274234, 1960360, 2548468, 3185585, 3871711, 5096936, 6371170, 7743422, 12742340, 15486844, 19358555, 25484680, 30973688, 38717110, 50332243, 77434220, 100664486, 154868440, 201328972, 251661215, 402657944, 503322430, 1006644860, 2013289720]

約数ペア:

[(1, 2013289720), (2, 1006644860), (4, 503322430), (5, 402657944), (8, 251661215), (10, 201328972), (13, 154868440), (20, 100664486), (26, 77434220), (40, 50332243), (52, 38717110), (65, 30973688), (79, 25484680), (104, 19358555), (130, 15486844), (158, 12742340), (260, 7743422), (316, 6371170), (395, 5096936), (520, 3871711), (632, 3185585), (790, 2548468), (1027, 1960360), (1580, 1274234), (2054, 980180), (3160, 637117), (4108, 490090), (5135, 392072), (8216, 245045), (10270, 196036), (20540, 98018), (41080, 49009)]