160020016

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:171

約数の個数: 120

約数和(自身を含む): 365976576

約数和(自身を除く): 205956560

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 31, 46, 52, 62, 83, 92, 104, 124, 166, 169, 184, 208, 248, 299, 332, 338, 368, 403, 496, 598, 664, 676, 713, 806, 1079, 1196, 1328, 1352, 1426, 1612, 1909, 2158, 2392, 2573, 2704, 2852, 3224, 3818, 3887, 4316, 4784, 5146, 5239, 5704, 6448, 7636, 7774, 8632, 9269, 10292, 10478, 11408, 14027, 15272, 15548, 17264, 18538, 20584, 20956, 24817, 28054, 30544, 31096, 33449, 37076, 41168, 41912, 49634, 56108, 59179, 62192, 66898, 74152, 83824, 99268, 112216, 118358, 120497, 133796, 148304, 198536, 224432, 236716, 240994, 267592, 322621, 397072, 434837, 473432, 481988, 535184, 645242, 769327, 869674, 946864, 963976, 1290484, 1538654, 1739348, 1927952, 2580968, 3077308, 3478696, 5161936, 6154616, 6957392, 10001251, 12309232, 20002502, 40005004, 80010008, 160020016]

約数ペア:

[(1, 160020016), (2, 80010008), (4, 40005004), (8, 20002502), (13, 12309232), (16, 10001251), (23, 6957392), (26, 6154616), (31, 5161936), (46, 3478696), (52, 3077308), (62, 2580968), (83, 1927952), (92, 1739348), (104, 1538654), (124, 1290484), (166, 963976), (169, 946864), (184, 869674), (208, 769327), (248, 645242), (299, 535184), (332, 481988), (338, 473432), (368, 434837), (403, 397072), (496, 322621), (598, 267592), (664, 240994), (676, 236716), (713, 224432), (806, 198536), (1079, 148304), (1196, 133796), (1328, 120497), (1352, 118358), (1426, 112216), (1612, 99268), (1909, 83824), (2158, 74152), (2392, 66898), (2573, 62192), (2704, 59179), (2852, 56108), (3224, 49634), (3818, 41912), (3887, 41168), (4316, 37076), (4784, 33449), (5146, 31096), (5239, 30544), (5704, 28054), (6448, 24817), (7636, 20956), (7774, 20584), (8632, 18538), (9269, 17264), (10292, 15548), (10478, 15272), (11408, 14027)]