82139980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{733}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 186447744

約数和(自身を除く): 104307764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 431, 733, 862, 1466, 1724, 2155, 2932, 3665, 4310, 5603, 7330, 8620, 9529, 11206, 14660, 19058, 22412, 28015, 38116, 47645, 56030, 95290, 112060, 190580, 315923, 631846, 1263692, 1579615, 3159230, 4106999, 6318460, 8213998, 16427996, 20534995, 41069990, 82139980]

約数ペア:

[(1, 82139980), (2, 41069990), (4, 20534995), (5, 16427996), (10, 8213998), (13, 6318460), (20, 4106999), (26, 3159230), (52, 1579615), (65, 1263692), (130, 631846), (260, 315923), (431, 190580), (733, 112060), (862, 95290), (1466, 56030), (1724, 47645), (2155, 38116), (2932, 28015), (3665, 22412), (4310, 19058), (5603, 14660), (7330, 11206), (8620, 9529)]