25845320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1097}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 63244800

約数和(自身を除く): 37399480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1097, 1178, 1240, 2194, 2356, 2945, 4388, 4712, 5485, 5890, 8776, 10970, 11780, 20843, 21940, 23560, 34007, 41686, 43880, 68014, 83372, 104215, 136028, 166744, 170035, 208430, 272056, 340070, 416860, 646133, 680140, 833720, 1292266, 1360280, 2584532, 3230665, 5169064, 6461330, 12922660, 25845320]

約数ペア:

[(1, 25845320), (2, 12922660), (4, 6461330), (5, 5169064), (8, 3230665), (10, 2584532), (19, 1360280), (20, 1292266), (31, 833720), (38, 680140), (40, 646133), (62, 416860), (76, 340070), (95, 272056), (124, 208430), (152, 170035), (155, 166744), (190, 136028), (248, 104215), (310, 83372), (380, 68014), (589, 43880), (620, 41686), (760, 34007), (1097, 23560), (1178, 21940), (1240, 20843), (2194, 11780), (2356, 10970), (2945, 8776), (4388, 5890), (4712, 5485)]