31993940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3547}}^1$

素因数の和:3608

約数の個数: 48

約数和(自身を含む): 75104064

約数和(自身を除く): 43110124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 3547, 4510, 7094, 9020, 14188, 17735, 35470, 39017, 70940, 78034, 145427, 156068, 195085, 290854, 390170, 581708, 727135, 780340, 1454270, 1599697, 2908540, 3199394, 6398788, 7998485, 15996970, 31993940]

約数ペア:

[(1, 31993940), (2, 15996970), (4, 7998485), (5, 6398788), (10, 3199394), (11, 2908540), (20, 1599697), (22, 1454270), (41, 780340), (44, 727135), (55, 581708), (82, 390170), (110, 290854), (164, 195085), (205, 156068), (220, 145427), (410, 78034), (451, 70940), (820, 39017), (902, 35470), (1804, 17735), (2255, 14188), (3547, 9020), (4510, 7094)]