13396340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 31529736

約数和(自身を除く): 18133396

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 41, 62, 68, 82, 85, 124, 155, 164, 170, 205, 310, 340, 410, 527, 620, 697, 820, 961, 1054, 1271, 1394, 1922, 2108, 2542, 2635, 2788, 3485, 3844, 4805, 5084, 5270, 6355, 6970, 9610, 10540, 12710, 13940, 16337, 19220, 21607, 25420, 32674, 39401, 43214, 65348, 78802, 81685, 86428, 108035, 157604, 163370, 197005, 216070, 326740, 394010, 432140, 669817, 788020, 1339634, 2679268, 3349085, 6698170, 13396340]

約数ペア:

[(1, 13396340), (2, 6698170), (4, 3349085), (5, 2679268), (10, 1339634), (17, 788020), (20, 669817), (31, 432140), (34, 394010), (41, 326740), (62, 216070), (68, 197005), (82, 163370), (85, 157604), (124, 108035), (155, 86428), (164, 81685), (170, 78802), (205, 65348), (310, 43214), (340, 39401), (410, 32674), (527, 25420), (620, 21607), (697, 19220), (820, 16337), (961, 13940), (1054, 12710), (1271, 10540), (1394, 9610), (1922, 6970), (2108, 6355), (2542, 5270), (2635, 5084), (2788, 4805), (3485, 3844)]