1081539680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{519971}}^1$

素因数の和:519999

約数の個数: 48

約数和(自身を含む): 2751691824

約数和(自身を除く): 1670152144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 519971, 1039942, 2079884, 2599855, 4159768, 5199710, 6759623, 8319536, 10399420, 13519246, 16639072, 20798840, 27038492, 33798115, 41597680, 54076984, 67596230, 83195360, 108153968, 135192460, 216307936, 270384920, 540769840, 1081539680]

約数ペア:

[(1, 1081539680), (2, 540769840), (4, 270384920), (5, 216307936), (8, 135192460), (10, 108153968), (13, 83195360), (16, 67596230), (20, 54076984), (26, 41597680), (32, 33798115), (40, 27038492), (52, 20798840), (65, 16639072), (80, 13519246), (104, 10399420), (130, 8319536), (160, 6759623), (208, 5199710), (260, 4159768), (416, 2599855), (520, 2079884), (1040, 1039942), (2080, 519971)]