55939990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 111767040

約数和(自身を除く): 55827050

約数列:

[1, 2, 5, 10, 19, 38, 41, 43, 82, 86, 95, 167, 190, 205, 215, 334, 410, 430, 779, 817, 835, 1558, 1634, 1670, 1763, 3173, 3526, 3895, 4085, 6346, 6847, 7181, 7790, 8170, 8815, 13694, 14362, 15865, 17630, 31730, 33497, 34235, 35905, 66994, 68470, 71810, 130093, 136439, 167485, 260186, 272878, 294421, 334970, 588842, 650465, 682195, 1300930, 1364390, 1472105, 2944210, 5593999, 11187998, 27969995, 55939990]

約数ペア:

[(1, 55939990), (2, 27969995), (5, 11187998), (10, 5593999), (19, 2944210), (38, 1472105), (41, 1364390), (43, 1300930), (82, 682195), (86, 650465), (95, 588842), (167, 334970), (190, 294421), (205, 272878), (215, 260186), (334, 167485), (410, 136439), (430, 130093), (779, 71810), (817, 68470), (835, 66994), (1558, 35905), (1634, 34235), (1670, 33497), (1763, 31730), (3173, 17630), (3526, 15865), (3895, 14362), (4085, 13694), (6346, 8815), (6847, 8170), (7181, 7790)]