2080921220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{25583}}^1$

素因数の和:25689

約数の個数: 72

約数和(自身を含む): 5144840064

約数和(自身を除く): 3063918844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 140, 166, 196, 245, 332, 415, 490, 581, 830, 980, 1162, 1660, 2324, 2905, 4067, 5810, 8134, 11620, 16268, 20335, 25583, 40670, 51166, 81340, 102332, 127915, 179081, 255830, 358162, 511660, 716324, 895405, 1253567, 1790810, 2123389, 2507134, 3581620, 4246778, 5014268, 6267835, 8493556, 10616945, 12535670, 14863723, 21233890, 25071340, 29727446, 42467780, 59454892, 74318615, 104046061, 148637230, 208092122, 297274460, 416184244, 520230305, 1040460610, 2080921220]

約数ペア:

[(1, 2080921220), (2, 1040460610), (4, 520230305), (5, 416184244), (7, 297274460), (10, 208092122), (14, 148637230), (20, 104046061), (28, 74318615), (35, 59454892), (49, 42467780), (70, 29727446), (83, 25071340), (98, 21233890), (140, 14863723), (166, 12535670), (196, 10616945), (245, 8493556), (332, 6267835), (415, 5014268), (490, 4246778), (581, 3581620), (830, 2507134), (980, 2123389), (1162, 1790810), (1660, 1253567), (2324, 895405), (2905, 716324), (4067, 511660), (5810, 358162), (8134, 255830), (11620, 179081), (16268, 127915), (20335, 102332), (25583, 81340), (40670, 51166)]