13644280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1381}}^1$

素因数の和:1424

約数の個数: 64

約数和(自身を含む): 34826400

約数和(自身を除く): 21182120

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1381, 1976, 2470, 2762, 4940, 5524, 6905, 9880, 11048, 13810, 17953, 26239, 27620, 35906, 52478, 55240, 71812, 89765, 104956, 131195, 143624, 179530, 209912, 262390, 341107, 359060, 524780, 682214, 718120, 1049560, 1364428, 1705535, 2728856, 3411070, 6822140, 13644280]

約数ペア:

[(1, 13644280), (2, 6822140), (4, 3411070), (5, 2728856), (8, 1705535), (10, 1364428), (13, 1049560), (19, 718120), (20, 682214), (26, 524780), (38, 359060), (40, 341107), (52, 262390), (65, 209912), (76, 179530), (95, 143624), (104, 131195), (130, 104956), (152, 89765), (190, 71812), (247, 55240), (260, 52478), (380, 35906), (494, 27620), (520, 26239), (760, 17953), (988, 13810), (1235, 11048), (1381, 9880), (1976, 6905), (2470, 5524), (2762, 4940)]