1286548250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{787}}^1$

素因数の和:1320

約数の個数: 64

約数和(自身を含む): 2602139904

約数和(自身を除く): 1315591654

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 503, 650, 787, 1006, 1574, 1625, 2515, 3250, 3935, 5030, 6539, 7870, 10231, 12575, 13078, 19675, 20462, 25150, 32695, 39350, 51155, 62875, 65390, 98375, 102310, 125750, 163475, 196750, 255775, 326950, 395861, 511550, 791722, 817375, 1278875, 1634750, 1979305, 2557750, 3958610, 5146193, 9896525, 10292386, 19793050, 25730965, 49482625, 51461930, 98965250, 128654825, 257309650, 643274125, 1286548250]

約数ペア:

[(1, 1286548250), (2, 643274125), (5, 257309650), (10, 128654825), (13, 98965250), (25, 51461930), (26, 49482625), (50, 25730965), (65, 19793050), (125, 10292386), (130, 9896525), (250, 5146193), (325, 3958610), (503, 2557750), (650, 1979305), (787, 1634750), (1006, 1278875), (1574, 817375), (1625, 791722), (2515, 511550), (3250, 395861), (3935, 326950), (5030, 255775), (6539, 196750), (7870, 163475), (10231, 125750), (12575, 102310), (13078, 98375), (19675, 65390), (20462, 62875), (25150, 51155), (32695, 39350)]