55659760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:626

約数の個数: 80

約数和(自身を含む): 140928480

約数和(自身を除く): 85268720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 109, 130, 208, 218, 260, 436, 491, 520, 545, 872, 982, 1040, 1090, 1417, 1744, 1964, 2180, 2455, 2834, 3928, 4360, 4910, 5668, 6383, 7085, 7856, 8720, 9820, 11336, 12766, 14170, 19640, 22672, 25532, 28340, 31915, 39280, 51064, 53519, 56680, 63830, 102128, 107038, 113360, 127660, 214076, 255320, 267595, 428152, 510640, 535190, 695747, 856304, 1070380, 1391494, 2140760, 2782988, 3478735, 4281520, 5565976, 6957470, 11131952, 13914940, 27829880, 55659760]

約数ペア:

[(1, 55659760), (2, 27829880), (4, 13914940), (5, 11131952), (8, 6957470), (10, 5565976), (13, 4281520), (16, 3478735), (20, 2782988), (26, 2140760), (40, 1391494), (52, 1070380), (65, 856304), (80, 695747), (104, 535190), (109, 510640), (130, 428152), (208, 267595), (218, 255320), (260, 214076), (436, 127660), (491, 113360), (520, 107038), (545, 102128), (872, 63830), (982, 56680), (1040, 53519), (1090, 51064), (1417, 39280), (1744, 31915), (1964, 28340), (2180, 25532), (2455, 22672), (2834, 19640), (3928, 14170), (4360, 12766), (4910, 11336), (5668, 9820), (6383, 8720), (7085, 7856)]