31409840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5099}}^1$

素因数の和:5130

約数の個数: 80

約数和(自身を含む): 91065600

約数和(自身を除く): 59655760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 5099, 6160, 10198, 20396, 25495, 35693, 40792, 50990, 56089, 71386, 81584, 101980, 112178, 142772, 178465, 203960, 224356, 280445, 285544, 356930, 392623, 407920, 448712, 560890, 571088, 713860, 785246, 897424, 1121780, 1427720, 1570492, 1963115, 2243560, 2855440, 3140984, 3926230, 4487120, 6281968, 7852460, 15704920, 31409840]

約数ペア:

[(1, 31409840), (2, 15704920), (4, 7852460), (5, 6281968), (7, 4487120), (8, 3926230), (10, 3140984), (11, 2855440), (14, 2243560), (16, 1963115), (20, 1570492), (22, 1427720), (28, 1121780), (35, 897424), (40, 785246), (44, 713860), (55, 571088), (56, 560890), (70, 448712), (77, 407920), (80, 392623), (88, 356930), (110, 285544), (112, 280445), (140, 224356), (154, 203960), (176, 178465), (220, 142772), (280, 112178), (308, 101980), (385, 81584), (440, 71386), (560, 56089), (616, 50990), (770, 40792), (880, 35693), (1232, 25495), (1540, 20396), (3080, 10198), (5099, 6160)]