8175320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 20044800

約数和(自身を除く): 11869480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 347, 380, 589, 620, 694, 760, 1178, 1240, 1388, 1735, 2356, 2776, 2945, 3470, 4712, 5890, 6593, 6940, 10757, 11780, 13186, 13880, 21514, 23560, 26372, 32965, 43028, 52744, 53785, 65930, 86056, 107570, 131860, 204383, 215140, 263720, 408766, 430280, 817532, 1021915, 1635064, 2043830, 4087660, 8175320]

約数ペア:

[(1, 8175320), (2, 4087660), (4, 2043830), (5, 1635064), (8, 1021915), (10, 817532), (19, 430280), (20, 408766), (31, 263720), (38, 215140), (40, 204383), (62, 131860), (76, 107570), (95, 86056), (124, 65930), (152, 53785), (155, 52744), (190, 43028), (248, 32965), (310, 26372), (347, 23560), (380, 21514), (589, 13880), (620, 13186), (694, 11780), (760, 10757), (1178, 6940), (1240, 6593), (1388, 5890), (1735, 4712), (2356, 3470), (2776, 2945)]