40195840

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1013}}^1$

素因数の和:1065

約数の個数: 72

約数和(自身を含む): 99485568

約数和(自身を除く): 59289728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1013, 1240, 1280, 1984, 2026, 2480, 3968, 4052, 4960, 5065, 7936, 8104, 9920, 10130, 16208, 19840, 20260, 31403, 32416, 39680, 40520, 62806, 64832, 81040, 125612, 129664, 157015, 162080, 251224, 259328, 314030, 324160, 502448, 628060, 648320, 1004896, 1256120, 1296640, 2009792, 2512240, 4019584, 5024480, 8039168, 10048960, 20097920, 40195840]

約数ペア:

[(1, 40195840), (2, 20097920), (4, 10048960), (5, 8039168), (8, 5024480), (10, 4019584), (16, 2512240), (20, 2009792), (31, 1296640), (32, 1256120), (40, 1004896), (62, 648320), (64, 628060), (80, 502448), (124, 324160), (128, 314030), (155, 259328), (160, 251224), (248, 162080), (256, 157015), (310, 129664), (320, 125612), (496, 81040), (620, 64832), (640, 62806), (992, 40520), (1013, 39680), (1240, 32416), (1280, 31403), (1984, 20260), (2026, 19840), (2480, 16208), (3968, 10130), (4052, 9920), (4960, 8104), (5065, 7936)]