2017194640

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1\times {\mathrm{983}}^1$

素因数の和:1336

約数の個数: 80

約数和(自身を含む): 4757159808

約数和(自身を除く): 2739965168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 227, 452, 454, 565, 904, 908, 983, 1130, 1135, 1808, 1816, 1966, 2260, 2270, 3632, 3932, 4520, 4540, 4915, 7864, 9040, 9080, 9830, 15728, 18160, 19660, 25651, 39320, 51302, 78640, 102604, 111079, 128255, 205208, 222158, 223141, 256510, 410416, 444316, 446282, 513020, 555395, 888632, 892564, 1026040, 1110790, 1115705, 1777264, 1785128, 2052080, 2221580, 2231410, 3570256, 4443160, 4462820, 8886320, 8925640, 17851280, 25214933, 50429866, 100859732, 126074665, 201719464, 252149330, 403438928, 504298660, 1008597320, 2017194640]

約数ペア:

[(1, 2017194640), (2, 1008597320), (4, 504298660), (5, 403438928), (8, 252149330), (10, 201719464), (16, 126074665), (20, 100859732), (40, 50429866), (80, 25214933), (113, 17851280), (226, 8925640), (227, 8886320), (452, 4462820), (454, 4443160), (565, 3570256), (904, 2231410), (908, 2221580), (983, 2052080), (1130, 1785128), (1135, 1777264), (1808, 1115705), (1816, 1110790), (1966, 1026040), (2260, 892564), (2270, 888632), (3632, 555395), (3932, 513020), (4520, 446282), (4540, 444316), (4915, 410416), (7864, 256510), (9040, 223141), (9080, 222158), (9830, 205208), (15728, 128255), (18160, 111079), (19660, 102604), (25651, 78640), (39320, 51302)]