808216240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{1361}}^1$

素因数の和:1958

約数の個数: 80

約数和(自身を含む): 2028682656

約数和(自身を除く): 1220466416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 571, 1040, 1142, 1361, 2284, 2722, 2855, 4568, 5444, 5710, 6805, 7423, 9136, 10888, 11420, 13610, 14846, 17693, 21776, 22840, 27220, 29692, 35386, 37115, 45680, 54440, 59384, 70772, 74230, 88465, 108880, 118768, 141544, 148460, 176930, 283088, 296920, 353860, 593840, 707720, 777131, 1415440, 1554262, 3108524, 3885655, 6217048, 7771310, 10102703, 12434096, 15542620, 20205406, 31085240, 40410812, 50513515, 62170480, 80821624, 101027030, 161643248, 202054060, 404108120, 808216240]

約数ペア:

[(1, 808216240), (2, 404108120), (4, 202054060), (5, 161643248), (8, 101027030), (10, 80821624), (13, 62170480), (16, 50513515), (20, 40410812), (26, 31085240), (40, 20205406), (52, 15542620), (65, 12434096), (80, 10102703), (104, 7771310), (130, 6217048), (208, 3885655), (260, 3108524), (520, 1554262), (571, 1415440), (1040, 777131), (1142, 707720), (1361, 593840), (2284, 353860), (2722, 296920), (2855, 283088), (4568, 176930), (5444, 148460), (5710, 141544), (6805, 118768), (7423, 108880), (9136, 88465), (10888, 74230), (11420, 70772), (13610, 59384), (14846, 54440), (17693, 45680), (21776, 37115), (22840, 35386), (27220, 29692)]