89440780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2843}}^1$

素因数の和:2887

約数の個数: 72

約数和(自身を含む): 222412176

約数和(自身を除く): 132971396

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1210, 1430, 1573, 2420, 2843, 2860, 3146, 5686, 6292, 7865, 11372, 14215, 15730, 28430, 31273, 31460, 36959, 56860, 62546, 73918, 125092, 147836, 156365, 184795, 312730, 344003, 369590, 406549, 625460, 688006, 739180, 813098, 1376012, 1626196, 1720015, 2032745, 3440030, 4065490, 4472039, 6880060, 8130980, 8944078, 17888156, 22360195, 44720390, 89440780]

約数ペア:

[(1, 89440780), (2, 44720390), (4, 22360195), (5, 17888156), (10, 8944078), (11, 8130980), (13, 6880060), (20, 4472039), (22, 4065490), (26, 3440030), (44, 2032745), (52, 1720015), (55, 1626196), (65, 1376012), (110, 813098), (121, 739180), (130, 688006), (143, 625460), (220, 406549), (242, 369590), (260, 344003), (286, 312730), (484, 184795), (572, 156365), (605, 147836), (715, 125092), (1210, 73918), (1430, 62546), (1573, 56860), (2420, 36959), (2843, 31460), (2860, 31273), (3146, 28430), (5686, 15730), (6292, 14215), (7865, 11372)]