248020240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{238481}}^1$

素因数の和:238507

約数の個数: 40

約数和(自身を含む): 621007128

約数和(自身を除く): 372986888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 238481, 476962, 953924, 1192405, 1907848, 2384810, 3100253, 3815696, 4769620, 6200506, 9539240, 12401012, 15501265, 19078480, 24802024, 31002530, 49604048, 62005060, 124010120, 248020240]

約数ペア:

[(1, 248020240), (2, 124010120), (4, 62005060), (5, 49604048), (8, 31002530), (10, 24802024), (13, 19078480), (16, 15501265), (20, 12401012), (26, 9539240), (40, 6200506), (52, 4769620), (65, 3815696), (80, 3100253), (104, 2384810), (130, 1907848), (208, 1192405), (260, 953924), (520, 476962), (1040, 238481)]