38761840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 120

約数和(自身を含む): 101297088

約数和(自身を除く): 62535248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 61, 65, 80, 94, 104, 122, 130, 169, 188, 208, 235, 244, 260, 305, 338, 376, 470, 488, 520, 610, 611, 676, 752, 793, 845, 940, 976, 1040, 1220, 1222, 1352, 1586, 1690, 1880, 2440, 2444, 2704, 2867, 3055, 3172, 3380, 3760, 3965, 4880, 4888, 5734, 6110, 6344, 6760, 7930, 7943, 9776, 10309, 11468, 12220, 12688, 13520, 14335, 15860, 15886, 20618, 22936, 24440, 28670, 31720, 31772, 37271, 39715, 41236, 45872, 48880, 51545, 57340, 63440, 63544, 74542, 79430, 82472, 103090, 114680, 127088, 149084, 158860, 164944, 186355, 206180, 229360, 298168, 317720, 372710, 412360, 484523, 596336, 635440, 745420, 824720, 969046, 1490840, 1938092, 2422615, 2981680, 3876184, 4845230, 7752368, 9690460, 19380920, 38761840]

約数ペア:

[(1, 38761840), (2, 19380920), (4, 9690460), (5, 7752368), (8, 4845230), (10, 3876184), (13, 2981680), (16, 2422615), (20, 1938092), (26, 1490840), (40, 969046), (47, 824720), (52, 745420), (61, 635440), (65, 596336), (80, 484523), (94, 412360), (104, 372710), (122, 317720), (130, 298168), (169, 229360), (188, 206180), (208, 186355), (235, 164944), (244, 158860), (260, 149084), (305, 127088), (338, 114680), (376, 103090), (470, 82472), (488, 79430), (520, 74542), (610, 63544), (611, 63440), (676, 57340), (752, 51545), (793, 48880), (845, 45872), (940, 41236), (976, 39715), (1040, 37271), (1220, 31772), (1222, 31720), (1352, 28670), (1586, 24440), (1690, 22936), (1880, 20618), (2440, 15886), (2444, 15860), (2704, 14335), (2867, 13520), (3055, 12688), (3172, 12220), (3380, 11468), (3760, 10309), (3965, 9776), (4880, 7943), (4888, 7930), (5734, 6760), (6110, 6344)]