80465320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{571}}^1$

素因数の和:866

約数の個数: 64

約数和(自身を含む): 196035840

約数和(自身を除く): 115570520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 271, 520, 542, 571, 1084, 1142, 1355, 2168, 2284, 2710, 2855, 3523, 4568, 5420, 5710, 7046, 7423, 10840, 11420, 14092, 14846, 17615, 22840, 28184, 29692, 35230, 37115, 59384, 70460, 74230, 140920, 148460, 154741, 296920, 309482, 618964, 773705, 1237928, 1547410, 2011633, 3094820, 4023266, 6189640, 8046532, 10058165, 16093064, 20116330, 40232660, 80465320]

約数ペア:

[(1, 80465320), (2, 40232660), (4, 20116330), (5, 16093064), (8, 10058165), (10, 8046532), (13, 6189640), (20, 4023266), (26, 3094820), (40, 2011633), (52, 1547410), (65, 1237928), (104, 773705), (130, 618964), (260, 309482), (271, 296920), (520, 154741), (542, 148460), (571, 140920), (1084, 74230), (1142, 70460), (1355, 59384), (2168, 37115), (2284, 35230), (2710, 29692), (2855, 28184), (3523, 22840), (4568, 17615), (5420, 14846), (5710, 14092), (7046, 11420), (7423, 10840)]