20199509500

素因数分解:

$2^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{3659}}^1$

素因数の和:3920

約数の個数: 96

約数和(自身を含む): 45098988480

約数和(自身を除く): 24899478980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 181, 244, 250, 305, 362, 500, 610, 724, 905, 1220, 1525, 1810, 3050, 3620, 3659, 4525, 6100, 7318, 7625, 9050, 11041, 14636, 15250, 18100, 18295, 22082, 22625, 30500, 36590, 44164, 45250, 55205, 73180, 90500, 91475, 110410, 182950, 220820, 223199, 276025, 365900, 446398, 457375, 552050, 662279, 892796, 914750, 1104100, 1115995, 1324558, 1380125, 1829500, 2231990, 2649116, 2760250, 3311395, 4463980, 5520500, 5579975, 6622790, 11159950, 13245580, 16556975, 22319900, 27899875, 33113950, 40399019, 55799750, 66227900, 80798038, 82784875, 111599500, 161596076, 165569750, 201995095, 331139500, 403990190, 807980380, 1009975475, 2019950950, 4039901900, 5049877375, 10099754750, 20199509500]

約数ペア:

[(1, 20199509500), (2, 10099754750), (4, 5049877375), (5, 4039901900), (10, 2019950950), (20, 1009975475), (25, 807980380), (50, 403990190), (61, 331139500), (100, 201995095), (122, 165569750), (125, 161596076), (181, 111599500), (244, 82784875), (250, 80798038), (305, 66227900), (362, 55799750), (500, 40399019), (610, 33113950), (724, 27899875), (905, 22319900), (1220, 16556975), (1525, 13245580), (1810, 11159950), (3050, 6622790), (3620, 5579975), (3659, 5520500), (4525, 4463980), (6100, 3311395), (7318, 2760250), (7625, 2649116), (9050, 2231990), (11041, 1829500), (14636, 1380125), (15250, 1324558), (18100, 1115995), (18295, 1104100), (22082, 914750), (22625, 892796), (30500, 662279), (36590, 552050), (44164, 457375), (45250, 446398), (55205, 365900), (73180, 276025), (90500, 223199), (91475, 220820), (110410, 182950)]