2000552560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{2971}}^1$

素因数の和:3446

約数の個数: 80

約数和(自身を含む): 4908792960

約数和(自身を除く): 2908240400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 443, 760, 886, 1520, 1772, 2215, 2971, 3544, 4430, 5942, 7088, 8417, 8860, 11884, 14855, 16834, 17720, 23768, 29710, 33668, 35440, 42085, 47536, 56449, 59420, 67336, 84170, 112898, 118840, 134672, 168340, 225796, 237680, 282245, 336680, 451592, 564490, 673360, 903184, 1128980, 1316153, 2257960, 2632306, 4515920, 5264612, 6580765, 10529224, 13161530, 21058448, 25006907, 26323060, 50013814, 52646120, 100027628, 105292240, 125034535, 200055256, 250069070, 400110512, 500138140, 1000276280, 2000552560]

約数ペア:

[(1, 2000552560), (2, 1000276280), (4, 500138140), (5, 400110512), (8, 250069070), (10, 200055256), (16, 125034535), (19, 105292240), (20, 100027628), (38, 52646120), (40, 50013814), (76, 26323060), (80, 25006907), (95, 21058448), (152, 13161530), (190, 10529224), (304, 6580765), (380, 5264612), (443, 4515920), (760, 2632306), (886, 2257960), (1520, 1316153), (1772, 1128980), (2215, 903184), (2971, 673360), (3544, 564490), (4430, 451592), (5942, 336680), (7088, 282245), (8417, 237680), (8860, 225796), (11884, 168340), (14855, 134672), (16834, 118840), (17720, 112898), (23768, 84170), (29710, 67336), (33668, 59420), (35440, 56449), (42085, 47536)]