38965580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 89733840

約数和(自身を除く): 50768260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 61, 76, 82, 95, 122, 164, 190, 205, 244, 305, 380, 410, 610, 779, 820, 1159, 1220, 1558, 1681, 2318, 2501, 3116, 3362, 3895, 4636, 5002, 5795, 6724, 7790, 8405, 10004, 11590, 12505, 15580, 16810, 23180, 25010, 31939, 33620, 47519, 50020, 63878, 95038, 102541, 127756, 159695, 190076, 205082, 237595, 319390, 410164, 475190, 512705, 638780, 950380, 1025410, 1948279, 2050820, 3896558, 7793116, 9741395, 19482790, 38965580]

約数ペア:

[(1, 38965580), (2, 19482790), (4, 9741395), (5, 7793116), (10, 3896558), (19, 2050820), (20, 1948279), (38, 1025410), (41, 950380), (61, 638780), (76, 512705), (82, 475190), (95, 410164), (122, 319390), (164, 237595), (190, 205082), (205, 190076), (244, 159695), (305, 127756), (380, 102541), (410, 95038), (610, 63878), (779, 50020), (820, 47519), (1159, 33620), (1220, 31939), (1558, 25010), (1681, 23180), (2318, 16810), (2501, 15580), (3116, 12505), (3362, 11590), (3895, 10004), (4636, 8405), (5002, 7790), (5795, 6724)]