129123800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{49663}}^1$

素因数の和:49692

約数の個数: 48

約数和(自身を含む): 323312640

約数和(自身を除く): 194188840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 49663, 99326, 198652, 248315, 397304, 496630, 645619, 993260, 1241575, 1291238, 1986520, 2483150, 2582476, 3228095, 4966300, 5164952, 6456190, 9932600, 12912380, 16140475, 25824760, 32280950, 64561900, 129123800]

約数ペア:

[(1, 129123800), (2, 64561900), (4, 32280950), (5, 25824760), (8, 16140475), (10, 12912380), (13, 9932600), (20, 6456190), (25, 5164952), (26, 4966300), (40, 3228095), (50, 2582476), (52, 2483150), (65, 1986520), (100, 1291238), (104, 1241575), (130, 993260), (200, 645619), (260, 496630), (325, 397304), (520, 248315), (650, 198652), (1300, 99326), (2600, 49663)]