20161245664

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1\times {\mathrm{2239}}^1$

素因数の和:2976

約数の個数: 96

約数和(自身を含む): 46197043200

約数和(自身を除く): 26035797536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 112, 122, 224, 244, 427, 488, 659, 854, 976, 1318, 1708, 1952, 2239, 2636, 3416, 4478, 4613, 5272, 6832, 8956, 9226, 10544, 13664, 15673, 17912, 18452, 21088, 31346, 35824, 36904, 40199, 62692, 71648, 73808, 80398, 125384, 136579, 147616, 160796, 250768, 273158, 281393, 321592, 501536, 546316, 562786, 643184, 956053, 1092632, 1125572, 1286368, 1475501, 1912106, 2185264, 2251144, 2951002, 3824212, 4370528, 4502288, 5902004, 7648424, 9004576, 10328507, 11804008, 15296848, 20657014, 23608016, 30593696, 41314028, 47216032, 82628056, 90005561, 165256112, 180011122, 330512224, 360022244, 630038927, 720044488, 1260077854, 1440088976, 2520155708, 2880177952, 5040311416, 10080622832, 20161245664]

約数ペア:

[(1, 20161245664), (2, 10080622832), (4, 5040311416), (7, 2880177952), (8, 2520155708), (14, 1440088976), (16, 1260077854), (28, 720044488), (32, 630038927), (56, 360022244), (61, 330512224), (112, 180011122), (122, 165256112), (224, 90005561), (244, 82628056), (427, 47216032), (488, 41314028), (659, 30593696), (854, 23608016), (976, 20657014), (1318, 15296848), (1708, 11804008), (1952, 10328507), (2239, 9004576), (2636, 7648424), (3416, 5902004), (4478, 4502288), (4613, 4370528), (5272, 3824212), (6832, 2951002), (8956, 2251144), (9226, 2185264), (10544, 1912106), (13664, 1475501), (15673, 1286368), (17912, 1125572), (18452, 1092632), (21088, 956053), (31346, 643184), (35824, 562786), (36904, 546316), (40199, 501536), (62692, 321592), (71648, 281393), (73808, 273158), (80398, 250768), (125384, 160796), (136579, 147616)]