12642760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{593}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 31434480

約数和(自身を除く): 18791720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 593, 820, 1066, 1186, 1640, 2132, 2372, 2665, 2965, 4264, 4744, 5330, 5930, 7709, 10660, 11860, 15418, 21320, 23720, 24313, 30836, 38545, 48626, 61672, 77090, 97252, 121565, 154180, 194504, 243130, 308360, 316069, 486260, 632138, 972520, 1264276, 1580345, 2528552, 3160690, 6321380, 12642760]

約数ペア:

[(1, 12642760), (2, 6321380), (4, 3160690), (5, 2528552), (8, 1580345), (10, 1264276), (13, 972520), (20, 632138), (26, 486260), (40, 316069), (41, 308360), (52, 243130), (65, 194504), (82, 154180), (104, 121565), (130, 97252), (164, 77090), (205, 61672), (260, 48626), (328, 38545), (410, 30836), (520, 24313), (533, 23720), (593, 21320), (820, 15418), (1066, 11860), (1186, 10660), (1640, 7709), (2132, 5930), (2372, 5330), (2665, 4744), (2965, 4264)]