51413440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{727}}^1$

素因数の和:774

約数の個数: 112

約数和(自身を含む): 139793472

約数和(自身を除く): 88380032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 320, 340, 416, 442, 520, 544, 680, 727, 832, 884, 1040, 1088, 1105, 1360, 1454, 1768, 2080, 2210, 2720, 2908, 3536, 3635, 4160, 4420, 5440, 5816, 7072, 7270, 8840, 9451, 11632, 12359, 14144, 14540, 17680, 18902, 23264, 24718, 29080, 35360, 37804, 46528, 47255, 49436, 58160, 61795, 70720, 75608, 94510, 98872, 116320, 123590, 151216, 160667, 189020, 197744, 232640, 247180, 302432, 321334, 378040, 395488, 494360, 604864, 642668, 756080, 790976, 803335, 988720, 1285336, 1512160, 1606670, 1977440, 2570672, 3024320, 3213340, 3954880, 5141344, 6426680, 10282688, 12853360, 25706720, 51413440]

約数ペア:

[(1, 51413440), (2, 25706720), (4, 12853360), (5, 10282688), (8, 6426680), (10, 5141344), (13, 3954880), (16, 3213340), (17, 3024320), (20, 2570672), (26, 1977440), (32, 1606670), (34, 1512160), (40, 1285336), (52, 988720), (64, 803335), (65, 790976), (68, 756080), (80, 642668), (85, 604864), (104, 494360), (130, 395488), (136, 378040), (160, 321334), (170, 302432), (208, 247180), (221, 232640), (260, 197744), (272, 189020), (320, 160667), (340, 151216), (416, 123590), (442, 116320), (520, 98872), (544, 94510), (680, 75608), (727, 70720), (832, 61795), (884, 58160), (1040, 49436), (1088, 47255), (1105, 46528), (1360, 37804), (1454, 35360), (1768, 29080), (2080, 24718), (2210, 23264), (2720, 18902), (2908, 17680), (3536, 14540), (3635, 14144), (4160, 12359), (4420, 11632), (5440, 9451), (5816, 8840), (7072, 7270)]