4366991980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{26203}}^1$

素因数の和:26866

約数の個数: 48

約数和(自身を含む): 9891905184

約数和(自身を除く): 5524913204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 641, 1282, 2564, 3205, 6410, 8333, 12820, 16666, 26203, 33332, 41665, 52406, 83330, 104812, 131015, 166660, 262030, 340639, 524060, 681278, 1362556, 1703195, 3406390, 6812780, 16796123, 33592246, 67184492, 83980615, 167961230, 218349599, 335922460, 436699198, 873398396, 1091747995, 2183495990, 4366991980]

約数ペア:

[(1, 4366991980), (2, 2183495990), (4, 1091747995), (5, 873398396), (10, 436699198), (13, 335922460), (20, 218349599), (26, 167961230), (52, 83980615), (65, 67184492), (130, 33592246), (260, 16796123), (641, 6812780), (1282, 3406390), (2564, 1703195), (3205, 1362556), (6410, 681278), (8333, 524060), (12820, 340639), (16666, 262030), (26203, 166660), (33332, 131015), (41665, 104812), (52406, 83330)]