28152650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:527

約数の個数: 48

約数和(自身を含む): 55496448

約数和(自身を除く): 27343798

約数列:

[1, 2, 5, 10, 25, 31, 41, 50, 62, 82, 155, 205, 310, 410, 443, 775, 886, 1025, 1271, 1550, 2050, 2215, 2542, 4430, 6355, 11075, 12710, 13733, 18163, 22150, 27466, 31775, 36326, 63550, 68665, 90815, 137330, 181630, 343325, 454075, 563053, 686650, 908150, 1126106, 2815265, 5630530, 14076325, 28152650]

約数ペア:

[(1, 28152650), (2, 14076325), (5, 5630530), (10, 2815265), (25, 1126106), (31, 908150), (41, 686650), (50, 563053), (62, 454075), (82, 343325), (155, 181630), (205, 137330), (310, 90815), (410, 68665), (443, 63550), (775, 36326), (886, 31775), (1025, 27466), (1271, 22150), (1550, 18163), (2050, 13733), (2215, 12710), (2542, 11075), (4430, 6355)]