40178770

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 77279832

約数和(自身を除く): 37101062

約数列:

[1, 2, 5, 10, 41, 43, 53, 82, 86, 106, 205, 215, 265, 410, 430, 530, 1763, 1849, 2173, 2279, 3526, 3698, 4346, 4558, 8815, 9245, 10865, 11395, 17630, 18490, 21730, 22790, 75809, 93439, 97997, 151618, 186878, 195994, 379045, 467195, 489985, 758090, 934390, 979970, 4017877, 8035754, 20089385, 40178770]

約数ペア:

[(1, 40178770), (2, 20089385), (5, 8035754), (10, 4017877), (41, 979970), (43, 934390), (53, 758090), (82, 489985), (86, 467195), (106, 379045), (205, 195994), (215, 186878), (265, 151618), (410, 97997), (430, 93439), (530, 75809), (1763, 22790), (1849, 21730), (2173, 18490), (2279, 17630), (3526, 11395), (3698, 10865), (4346, 9245), (4558, 8815)]