5455280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:166

約数の個数: 80

約数和(自身を含む): 13853280

約数和(自身を除く): 8398000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 97, 148, 152, 185, 190, 194, 296, 304, 370, 380, 388, 485, 592, 703, 740, 760, 776, 970, 1406, 1480, 1520, 1552, 1843, 1940, 2812, 2960, 3515, 3589, 3686, 3880, 5624, 7030, 7178, 7372, 7760, 9215, 11248, 14060, 14356, 14744, 17945, 18430, 28120, 28712, 29488, 35890, 36860, 56240, 57424, 68191, 71780, 73720, 136382, 143560, 147440, 272764, 287120, 340955, 545528, 681910, 1091056, 1363820, 2727640, 5455280]

約数ペア:

[(1, 5455280), (2, 2727640), (4, 1363820), (5, 1091056), (8, 681910), (10, 545528), (16, 340955), (19, 287120), (20, 272764), (37, 147440), (38, 143560), (40, 136382), (74, 73720), (76, 71780), (80, 68191), (95, 57424), (97, 56240), (148, 36860), (152, 35890), (185, 29488), (190, 28712), (194, 28120), (296, 18430), (304, 17945), (370, 14744), (380, 14356), (388, 14060), (485, 11248), (592, 9215), (703, 7760), (740, 7372), (760, 7178), (776, 7030), (970, 5624), (1406, 3880), (1480, 3686), (1520, 3589), (1552, 3515), (1843, 2960), (1940, 2812)]