47391320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 113356800

約数和(自身を除く): 65965480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 127, 152, 190, 254, 380, 491, 508, 635, 760, 982, 1016, 1270, 1964, 2413, 2455, 2540, 3928, 4826, 4910, 5080, 9329, 9652, 9820, 12065, 18658, 19304, 19640, 24130, 37316, 46645, 48260, 62357, 74632, 93290, 96520, 124714, 186580, 249428, 311785, 373160, 498856, 623570, 1184783, 1247140, 2369566, 2494280, 4739132, 5923915, 9478264, 11847830, 23695660, 47391320]

約数ペア:

[(1, 47391320), (2, 23695660), (4, 11847830), (5, 9478264), (8, 5923915), (10, 4739132), (19, 2494280), (20, 2369566), (38, 1247140), (40, 1184783), (76, 623570), (95, 498856), (127, 373160), (152, 311785), (190, 249428), (254, 186580), (380, 124714), (491, 96520), (508, 93290), (635, 74632), (760, 62357), (982, 48260), (1016, 46645), (1270, 37316), (1964, 24130), (2413, 19640), (2455, 19304), (2540, 18658), (3928, 12065), (4826, 9820), (4910, 9652), (5080, 9329)]