17950640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 45077472

約数和(自身を除く): 27126832

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 67, 68, 80, 85, 134, 136, 170, 197, 268, 272, 335, 340, 394, 536, 670, 680, 788, 985, 1072, 1139, 1340, 1360, 1576, 1970, 2278, 2680, 3152, 3349, 3940, 4556, 5360, 5695, 6698, 7880, 9112, 11390, 13199, 13396, 15760, 16745, 18224, 22780, 26398, 26792, 33490, 45560, 52796, 53584, 65995, 66980, 91120, 105592, 131990, 133960, 211184, 224383, 263980, 267920, 448766, 527960, 897532, 1055920, 1121915, 1795064, 2243830, 3590128, 4487660, 8975320, 17950640]

約数ペア:

[(1, 17950640), (2, 8975320), (4, 4487660), (5, 3590128), (8, 2243830), (10, 1795064), (16, 1121915), (17, 1055920), (20, 897532), (34, 527960), (40, 448766), (67, 267920), (68, 263980), (80, 224383), (85, 211184), (134, 133960), (136, 131990), (170, 105592), (197, 91120), (268, 66980), (272, 65995), (335, 53584), (340, 52796), (394, 45560), (536, 33490), (670, 26792), (680, 26398), (788, 22780), (985, 18224), (1072, 16745), (1139, 15760), (1340, 13396), (1360, 13199), (1576, 11390), (1970, 9112), (2278, 7880), (2680, 6698), (3152, 5695), (3349, 5360), (3940, 4556)]