12189580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 27828864

約数和(自身を除く): 15639284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 271, 346, 542, 692, 865, 1084, 1355, 1730, 2249, 2710, 3460, 3523, 4498, 5420, 7046, 8996, 11245, 14092, 17615, 22490, 35230, 44980, 46883, 70460, 93766, 187532, 234415, 468830, 609479, 937660, 1218958, 2437916, 3047395, 6094790, 12189580]

約数ペア:

[(1, 12189580), (2, 6094790), (4, 3047395), (5, 2437916), (10, 1218958), (13, 937660), (20, 609479), (26, 468830), (52, 234415), (65, 187532), (130, 93766), (173, 70460), (260, 46883), (271, 44980), (346, 35230), (542, 22490), (692, 17615), (865, 14092), (1084, 11245), (1355, 8996), (1730, 7046), (2249, 5420), (2710, 4498), (3460, 3523)]