12946520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 31363200

約数和(自身を除く): 18416680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 241, 316, 340, 395, 482, 632, 680, 790, 964, 1205, 1343, 1580, 1928, 2410, 2686, 3160, 4097, 4820, 5372, 6715, 8194, 9640, 10744, 13430, 16388, 19039, 20485, 26860, 32776, 38078, 40970, 53720, 76156, 81940, 95195, 152312, 163880, 190390, 323663, 380780, 647326, 761560, 1294652, 1618315, 2589304, 3236630, 6473260, 12946520]

約数ペア:

[(1, 12946520), (2, 6473260), (4, 3236630), (5, 2589304), (8, 1618315), (10, 1294652), (17, 761560), (20, 647326), (34, 380780), (40, 323663), (68, 190390), (79, 163880), (85, 152312), (136, 95195), (158, 81940), (170, 76156), (241, 53720), (316, 40970), (340, 38078), (395, 32776), (482, 26860), (632, 20485), (680, 19039), (790, 16388), (964, 13430), (1205, 10744), (1343, 9640), (1580, 8194), (1928, 6715), (2410, 5372), (2686, 4820), (3160, 4097)]