78447980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9733}}^1$

素因数の和:9786

約数の個数: 48

約数和(自身を含む): 183154944

約数和(自身を除く): 104706964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 9733, 19466, 38932, 48665, 97330, 126529, 194660, 253058, 301723, 506116, 603446, 632645, 1206892, 1265290, 1508615, 2530580, 3017230, 3922399, 6034460, 7844798, 15689596, 19611995, 39223990, 78447980]

約数ペア:

[(1, 78447980), (2, 39223990), (4, 19611995), (5, 15689596), (10, 7844798), (13, 6034460), (20, 3922399), (26, 3017230), (31, 2530580), (52, 1508615), (62, 1265290), (65, 1206892), (124, 632645), (130, 603446), (155, 506116), (260, 301723), (310, 253058), (403, 194660), (620, 126529), (806, 97330), (1612, 48665), (2015, 38932), (4030, 19466), (8060, 9733)]