129204920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1031}}^1$

素因数の和:1296

約数の個数: 64

約数和(自身を含む): 314677440

約数和(自身を除く): 185472520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 241, 260, 482, 520, 964, 1031, 1205, 1928, 2062, 2410, 3133, 4124, 4820, 5155, 6266, 8248, 9640, 10310, 12532, 13403, 15665, 20620, 25064, 26806, 31330, 41240, 53612, 62660, 67015, 107224, 125320, 134030, 248471, 268060, 496942, 536120, 993884, 1242355, 1987768, 2484710, 3230123, 4969420, 6460246, 9938840, 12920492, 16150615, 25840984, 32301230, 64602460, 129204920]

約数ペア:

[(1, 129204920), (2, 64602460), (4, 32301230), (5, 25840984), (8, 16150615), (10, 12920492), (13, 9938840), (20, 6460246), (26, 4969420), (40, 3230123), (52, 2484710), (65, 1987768), (104, 1242355), (130, 993884), (241, 536120), (260, 496942), (482, 268060), (520, 248471), (964, 134030), (1031, 125320), (1205, 107224), (1928, 67015), (2062, 62660), (2410, 53612), (3133, 41240), (4124, 31330), (4820, 26806), (5155, 25064), (6266, 20620), (8248, 15665), (9640, 13403), (10310, 12532)]