40007968

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1$

素因数の和:1290

約数の個数: 96

約数和(自身を含む): 105840000

約数和(自身を除く): 65832032

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 224, 286, 308, 352, 364, 416, 572, 616, 728, 1001, 1144, 1232, 1249, 1456, 2002, 2288, 2464, 2498, 2912, 4004, 4576, 4996, 8008, 8743, 9992, 13739, 16016, 16237, 17486, 19984, 27478, 32032, 32474, 34972, 39968, 54956, 64948, 69944, 96173, 109912, 113659, 129896, 139888, 178607, 192346, 219824, 227318, 259792, 279776, 357214, 384692, 439648, 454636, 519584, 714428, 769384, 909272, 1250249, 1428856, 1538768, 1818544, 2500498, 2857712, 3077536, 3637088, 5000996, 5715424, 10001992, 20003984, 40007968]

約数ペア:

[(1, 40007968), (2, 20003984), (4, 10001992), (7, 5715424), (8, 5000996), (11, 3637088), (13, 3077536), (14, 2857712), (16, 2500498), (22, 1818544), (26, 1538768), (28, 1428856), (32, 1250249), (44, 909272), (52, 769384), (56, 714428), (77, 519584), (88, 454636), (91, 439648), (104, 384692), (112, 357214), (143, 279776), (154, 259792), (176, 227318), (182, 219824), (208, 192346), (224, 178607), (286, 139888), (308, 129896), (352, 113659), (364, 109912), (416, 96173), (572, 69944), (616, 64948), (728, 54956), (1001, 39968), (1144, 34972), (1232, 32474), (1249, 32032), (1456, 27478), (2002, 19984), (2288, 17486), (2464, 16237), (2498, 16016), (2912, 13739), (4004, 9992), (4576, 8743), (4996, 8008)]