39356980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 97090560

約数和(自身を除く): 57733580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 155, 190, 247, 257, 260, 310, 380, 403, 494, 514, 589, 620, 806, 988, 1028, 1178, 1235, 1285, 1612, 2015, 2356, 2470, 2570, 2945, 3341, 4030, 4883, 4940, 5140, 5890, 6682, 7657, 7967, 8060, 9766, 11780, 13364, 15314, 15934, 16705, 19532, 24415, 30628, 31868, 33410, 38285, 39835, 48830, 63479, 66820, 76570, 79670, 97660, 103571, 126958, 151373, 153140, 159340, 207142, 253916, 302746, 317395, 414284, 517855, 605492, 634790, 756865, 1035710, 1269580, 1513730, 1967849, 2071420, 3027460, 3935698, 7871396, 9839245, 19678490, 39356980]

約数ペア:

[(1, 39356980), (2, 19678490), (4, 9839245), (5, 7871396), (10, 3935698), (13, 3027460), (19, 2071420), (20, 1967849), (26, 1513730), (31, 1269580), (38, 1035710), (52, 756865), (62, 634790), (65, 605492), (76, 517855), (95, 414284), (124, 317395), (130, 302746), (155, 253916), (190, 207142), (247, 159340), (257, 153140), (260, 151373), (310, 126958), (380, 103571), (403, 97660), (494, 79670), (514, 76570), (589, 66820), (620, 63479), (806, 48830), (988, 39835), (1028, 38285), (1178, 33410), (1235, 31868), (1285, 30628), (1612, 24415), (2015, 19532), (2356, 16705), (2470, 15934), (2570, 15314), (2945, 13364), (3341, 11780), (4030, 9766), (4883, 8060), (4940, 7967), (5140, 7657), (5890, 6682)]