65941720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{601}}^1$

素因数の和:836

約数の個数: 64

約数和(自身を含む): 160806240

約数和(自身を除く): 94864520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 211, 260, 422, 520, 601, 844, 1055, 1202, 1688, 2110, 2404, 2743, 3005, 4220, 4808, 5486, 6010, 7813, 8440, 10972, 12020, 13715, 15626, 21944, 24040, 27430, 31252, 39065, 54860, 62504, 78130, 109720, 126811, 156260, 253622, 312520, 507244, 634055, 1014488, 1268110, 1648543, 2536220, 3297086, 5072440, 6594172, 8242715, 13188344, 16485430, 32970860, 65941720]

約数ペア:

[(1, 65941720), (2, 32970860), (4, 16485430), (5, 13188344), (8, 8242715), (10, 6594172), (13, 5072440), (20, 3297086), (26, 2536220), (40, 1648543), (52, 1268110), (65, 1014488), (104, 634055), (130, 507244), (211, 312520), (260, 253622), (422, 156260), (520, 126811), (601, 109720), (844, 78130), (1055, 62504), (1202, 54860), (1688, 39065), (2110, 31252), (2404, 27430), (2743, 24040), (3005, 21944), (4220, 15626), (4808, 13715), (5486, 12020), (6010, 10972), (7813, 8440)]