49931440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1171}}^1$

素因数の和:1238

約数の個数: 80

約数和(自身を含む): 128179296

約数和(自身を除く): 78247856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1171, 1640, 2132, 2342, 2665, 3280, 4264, 4684, 5330, 5855, 8528, 9368, 10660, 11710, 15223, 18736, 21320, 23420, 30446, 42640, 46840, 48011, 60892, 76115, 93680, 96022, 121784, 152230, 192044, 240055, 243568, 304460, 384088, 480110, 608920, 624143, 768176, 960220, 1217840, 1248286, 1920440, 2496572, 3120715, 3840880, 4993144, 6241430, 9986288, 12482860, 24965720, 49931440]

約数ペア:

[(1, 49931440), (2, 24965720), (4, 12482860), (5, 9986288), (8, 6241430), (10, 4993144), (13, 3840880), (16, 3120715), (20, 2496572), (26, 1920440), (40, 1248286), (41, 1217840), (52, 960220), (65, 768176), (80, 624143), (82, 608920), (104, 480110), (130, 384088), (164, 304460), (205, 243568), (208, 240055), (260, 192044), (328, 152230), (410, 121784), (520, 96022), (533, 93680), (656, 76115), (820, 60892), (1040, 48011), (1066, 46840), (1171, 42640), (1640, 30446), (2132, 23420), (2342, 21320), (2665, 18736), (3280, 15223), (4264, 11710), (4684, 10660), (5330, 9368), (5855, 8528)]