86823920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^2$

素因数の和:510

約数の個数: 60

約数和(自身を含む): 213382920

約数和(自身を除く): 126559000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 239, 304, 380, 478, 760, 956, 1195, 1520, 1912, 2390, 3824, 4541, 4780, 9082, 9560, 18164, 19120, 22705, 36328, 45410, 57121, 72656, 90820, 114242, 181640, 228484, 285605, 363280, 456968, 571210, 913936, 1085299, 1142420, 2170598, 2284840, 4341196, 4569680, 5426495, 8682392, 10852990, 17364784, 21705980, 43411960, 86823920]

約数ペア:

[(1, 86823920), (2, 43411960), (4, 21705980), (5, 17364784), (8, 10852990), (10, 8682392), (16, 5426495), (19, 4569680), (20, 4341196), (38, 2284840), (40, 2170598), (76, 1142420), (80, 1085299), (95, 913936), (152, 571210), (190, 456968), (239, 363280), (304, 285605), (380, 228484), (478, 181640), (760, 114242), (956, 90820), (1195, 72656), (1520, 57121), (1912, 45410), (2390, 36328), (3824, 22705), (4541, 19120), (4780, 18164), (9082, 9560)]