20760644200

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{25561}}^1$

素因数の和:25739

約数の個数: 96

約数和(自身を含む): 50207857920

約数和(自身を除く): 29447213720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 131, 155, 200, 248, 262, 310, 524, 620, 655, 775, 1048, 1240, 1310, 1550, 2620, 3100, 3275, 4061, 5240, 6200, 6550, 8122, 13100, 16244, 20305, 25561, 26200, 32488, 40610, 51122, 81220, 101525, 102244, 127805, 162440, 203050, 204488, 255610, 406100, 511220, 639025, 792391, 812200, 1022440, 1278050, 1584782, 2556100, 3169564, 3348491, 3961955, 5112200, 6339128, 6696982, 7923910, 13393964, 15847820, 16742455, 19809775, 26787928, 31695640, 33484910, 39619550, 66969820, 79239100, 83712275, 103803221, 133939640, 158478200, 167424550, 207606442, 334849100, 415212884, 519016105, 669698200, 830425768, 1038032210, 2076064420, 2595080525, 4152128840, 5190161050, 10380322100, 20760644200]

約数ペア:

[(1, 20760644200), (2, 10380322100), (4, 5190161050), (5, 4152128840), (8, 2595080525), (10, 2076064420), (20, 1038032210), (25, 830425768), (31, 669698200), (40, 519016105), (50, 415212884), (62, 334849100), (100, 207606442), (124, 167424550), (131, 158478200), (155, 133939640), (200, 103803221), (248, 83712275), (262, 79239100), (310, 66969820), (524, 39619550), (620, 33484910), (655, 31695640), (775, 26787928), (1048, 19809775), (1240, 16742455), (1310, 15847820), (1550, 13393964), (2620, 7923910), (3100, 6696982), (3275, 6339128), (4061, 5112200), (5240, 3961955), (6200, 3348491), (6550, 3169564), (8122, 2556100), (13100, 1584782), (16244, 1278050), (20305, 1022440), (25561, 812200), (26200, 792391), (32488, 639025), (40610, 511220), (51122, 406100), (81220, 255610), (101525, 204488), (102244, 203050), (127805, 162440)]