1276210000

素因数分解:

$2^4\times 5^4\times {\mathrm{13}}^1\times {\mathrm{9817}}^1$

素因数の和:9858

約数の個数: 100

約数和(自身を含む): 3327850372

約数和(自身を除く): 2051640372

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 625, 650, 1000, 1040, 1250, 1300, 1625, 2000, 2500, 2600, 3250, 5000, 5200, 6500, 8125, 9817, 10000, 13000, 16250, 19634, 26000, 32500, 39268, 49085, 65000, 78536, 98170, 127621, 130000, 157072, 196340, 245425, 255242, 392680, 490850, 510484, 638105, 785360, 981700, 1020968, 1227125, 1276210, 1963400, 2041936, 2454250, 2552420, 3190525, 3926800, 4908500, 5104840, 6135625, 6381050, 9817000, 10209680, 12271250, 12762100, 15952625, 19634000, 24542500, 25524200, 31905250, 49085000, 51048400, 63810500, 79763125, 98170000, 127621000, 159526250, 255242000, 319052500, 638105000, 1276210000]

約数ペア:

[(1, 1276210000), (2, 638105000), (4, 319052500), (5, 255242000), (8, 159526250), (10, 127621000), (13, 98170000), (16, 79763125), (20, 63810500), (25, 51048400), (26, 49085000), (40, 31905250), (50, 25524200), (52, 24542500), (65, 19634000), (80, 15952625), (100, 12762100), (104, 12271250), (125, 10209680), (130, 9817000), (200, 6381050), (208, 6135625), (250, 5104840), (260, 4908500), (325, 3926800), (400, 3190525), (500, 2552420), (520, 2454250), (625, 2041936), (650, 1963400), (1000, 1276210), (1040, 1227125), (1250, 1020968), (1300, 981700), (1625, 785360), (2000, 638105), (2500, 510484), (2600, 490850), (3250, 392680), (5000, 255242), (5200, 245425), (6500, 196340), (8125, 157072), (9817, 130000), (10000, 127621), (13000, 98170), (16250, 78536), (19634, 65000), (26000, 49085), (32500, 39268)]