40655440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3821}}^1$

素因数の和:3860

約数の個数: 80

約数和(自身を含む): 113742720

約数和(自身を除く): 73087280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 3821, 5320, 7642, 10640, 15284, 19105, 26747, 30568, 38210, 53494, 61136, 72599, 76420, 106988, 133735, 145198, 152840, 213976, 267470, 290396, 305680, 362995, 427952, 508193, 534940, 580792, 725990, 1016386, 1069880, 1161584, 1451980, 2032772, 2139760, 2540965, 2903960, 4065544, 5081930, 5807920, 8131088, 10163860, 20327720, 40655440]

約数ペア:

[(1, 40655440), (2, 20327720), (4, 10163860), (5, 8131088), (7, 5807920), (8, 5081930), (10, 4065544), (14, 2903960), (16, 2540965), (19, 2139760), (20, 2032772), (28, 1451980), (35, 1161584), (38, 1069880), (40, 1016386), (56, 725990), (70, 580792), (76, 534940), (80, 508193), (95, 427952), (112, 362995), (133, 305680), (140, 290396), (152, 267470), (190, 213976), (266, 152840), (280, 145198), (304, 133735), (380, 106988), (532, 76420), (560, 72599), (665, 61136), (760, 53494), (1064, 38210), (1330, 30568), (1520, 26747), (2128, 19105), (2660, 15284), (3821, 10640), (5320, 7642)]