28382380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{631}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 64661184

約数和(自身を除く): 36278804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 346, 631, 692, 865, 1262, 1730, 2249, 2524, 3155, 3460, 4498, 6310, 8203, 8996, 11245, 12620, 16406, 22490, 32812, 41015, 44980, 82030, 109163, 164060, 218326, 436652, 545815, 1091630, 1419119, 2183260, 2838238, 5676476, 7095595, 14191190, 28382380]

約数ペア:

[(1, 28382380), (2, 14191190), (4, 7095595), (5, 5676476), (10, 2838238), (13, 2183260), (20, 1419119), (26, 1091630), (52, 545815), (65, 436652), (130, 218326), (173, 164060), (260, 109163), (346, 82030), (631, 44980), (692, 41015), (865, 32812), (1262, 22490), (1730, 16406), (2249, 12620), (2524, 11245), (3155, 8996), (3460, 8203), (4498, 6310)]