42008720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1360

約数の個数: 80

約数和(自身を含む): 108659712

約数和(自身を除く): 66650992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1303, 1612, 2015, 2480, 2606, 3224, 4030, 5212, 6448, 6515, 8060, 10424, 13030, 16120, 16939, 20848, 26060, 32240, 33878, 40393, 52120, 67756, 80786, 84695, 104240, 135512, 161572, 169390, 201965, 271024, 323144, 338780, 403930, 525109, 646288, 677560, 807860, 1050218, 1355120, 1615720, 2100436, 2625545, 3231440, 4200872, 5251090, 8401744, 10502180, 21004360, 42008720]

約数ペア:

[(1, 42008720), (2, 21004360), (4, 10502180), (5, 8401744), (8, 5251090), (10, 4200872), (13, 3231440), (16, 2625545), (20, 2100436), (26, 1615720), (31, 1355120), (40, 1050218), (52, 807860), (62, 677560), (65, 646288), (80, 525109), (104, 403930), (124, 338780), (130, 323144), (155, 271024), (208, 201965), (248, 169390), (260, 161572), (310, 135512), (403, 104240), (496, 84695), (520, 80786), (620, 67756), (806, 52120), (1040, 40393), (1240, 33878), (1303, 32240), (1612, 26060), (2015, 20848), (2480, 16939), (2606, 16120), (3224, 13030), (4030, 10424), (5212, 8060), (6448, 6515)]