156162500

素因数分解:

$2^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:104

約数の個数: 108

約数和(自身を含む): 380108484

約数和(自身を除く): 223945984

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 125, 130, 155, 250, 260, 310, 325, 403, 500, 620, 625, 650, 775, 806, 961, 1250, 1300, 1550, 1612, 1625, 1922, 2015, 2500, 3100, 3125, 3250, 3844, 3875, 4030, 4805, 6250, 6500, 7750, 8060, 8125, 9610, 10075, 12493, 12500, 15500, 16250, 19220, 19375, 20150, 24025, 24986, 32500, 38750, 40300, 40625, 48050, 49972, 50375, 62465, 77500, 81250, 96100, 96875, 100750, 120125, 124930, 162500, 193750, 201500, 240250, 249860, 251875, 312325, 387500, 480500, 503750, 600625, 624650, 1007500, 1201250, 1249300, 1259375, 1561625, 2402500, 2518750, 3003125, 3123250, 5037500, 6006250, 6246500, 7808125, 12012500, 15616250, 31232500, 39040625, 78081250, 156162500]

約数ペア:

[(1, 156162500), (2, 78081250), (4, 39040625), (5, 31232500), (10, 15616250), (13, 12012500), (20, 7808125), (25, 6246500), (26, 6006250), (31, 5037500), (50, 3123250), (52, 3003125), (62, 2518750), (65, 2402500), (100, 1561625), (124, 1259375), (125, 1249300), (130, 1201250), (155, 1007500), (250, 624650), (260, 600625), (310, 503750), (325, 480500), (403, 387500), (500, 312325), (620, 251875), (625, 249860), (650, 240250), (775, 201500), (806, 193750), (961, 162500), (1250, 124930), (1300, 120125), (1550, 100750), (1612, 96875), (1625, 96100), (1922, 81250), (2015, 77500), (2500, 62465), (3100, 50375), (3125, 49972), (3250, 48050), (3844, 40625), (3875, 40300), (4030, 38750), (4805, 32500), (6250, 24986), (6500, 24025), (7750, 20150), (8060, 19375), (8125, 19220), (9610, 16250), (10075, 15500), (12493, 12500)]