40642400

素因数分解:

$2^5\times 5^2\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:624

約数の個数: 72

約数和(自身を含む): 100399824

約数和(自身を除く): 59757424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 101, 160, 200, 202, 400, 404, 503, 505, 800, 808, 1006, 1010, 1616, 2012, 2020, 2515, 2525, 3232, 4024, 4040, 5030, 5050, 8048, 8080, 10060, 10100, 12575, 16096, 16160, 20120, 20200, 25150, 40240, 40400, 50300, 50803, 80480, 80800, 100600, 101606, 201200, 203212, 254015, 402400, 406424, 508030, 812848, 1016060, 1270075, 1625696, 2032120, 2540150, 4064240, 5080300, 8128480, 10160600, 20321200, 40642400]

約数ペア:

[(1, 40642400), (2, 20321200), (4, 10160600), (5, 8128480), (8, 5080300), (10, 4064240), (16, 2540150), (20, 2032120), (25, 1625696), (32, 1270075), (40, 1016060), (50, 812848), (80, 508030), (100, 406424), (101, 402400), (160, 254015), (200, 203212), (202, 201200), (400, 101606), (404, 100600), (503, 80800), (505, 80480), (800, 50803), (808, 50300), (1006, 40400), (1010, 40240), (1616, 25150), (2012, 20200), (2020, 20120), (2515, 16160), (2525, 16096), (3232, 12575), (4024, 10100), (4040, 10060), (5030, 8080), (5050, 8048)]