139887280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{134507}}^1$

素因数の和:134533

約数の個数: 40

約数和(自身を含む): 350258832

約数和(自身を除く): 210371552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 134507, 269014, 538028, 672535, 1076056, 1345070, 1748591, 2152112, 2690140, 3497182, 5380280, 6994364, 8742955, 10760560, 13988728, 17485910, 27977456, 34971820, 69943640, 139887280]

約数ペア:

[(1, 139887280), (2, 69943640), (4, 34971820), (5, 27977456), (8, 17485910), (10, 13988728), (13, 10760560), (16, 8742955), (20, 6994364), (26, 5380280), (40, 3497182), (52, 2690140), (65, 2152112), (80, 1748591), (104, 1345070), (130, 1076056), (208, 672535), (260, 538028), (520, 269014), (1040, 134507)]