25909540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1663}}^1$

素因数の和:1732

約数の個数: 48

約数和(自身を含む): 58705920

約数和(自身を除く): 32796380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 1663, 3116, 3326, 3895, 6652, 7790, 8315, 15580, 16630, 31597, 33260, 63194, 68183, 126388, 136366, 157985, 272732, 315970, 340915, 631940, 681830, 1295477, 1363660, 2590954, 5181908, 6477385, 12954770, 25909540]

約数ペア:

[(1, 25909540), (2, 12954770), (4, 6477385), (5, 5181908), (10, 2590954), (19, 1363660), (20, 1295477), (38, 681830), (41, 631940), (76, 340915), (82, 315970), (95, 272732), (164, 157985), (190, 136366), (205, 126388), (380, 68183), (410, 63194), (779, 33260), (820, 31597), (1558, 16630), (1663, 15580), (3116, 8315), (3326, 7790), (3895, 6652)]