20124800

素因数分解:

$2^7\times 5^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:374

約数の個数: 96

約数和(自身を含む): 52489200

約数和(自身を除く): 32364400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 190, 200, 304, 320, 331, 380, 400, 475, 608, 640, 662, 760, 800, 950, 1216, 1324, 1520, 1600, 1655, 1900, 2432, 2648, 3040, 3200, 3310, 3800, 5296, 6080, 6289, 6620, 7600, 8275, 10592, 12160, 12578, 13240, 15200, 16550, 21184, 25156, 26480, 30400, 31445, 33100, 42368, 50312, 52960, 60800, 62890, 66200, 100624, 105920, 125780, 132400, 157225, 201248, 211840, 251560, 264800, 314450, 402496, 503120, 529600, 628900, 804992, 1006240, 1059200, 1257800, 2012480, 2515600, 4024960, 5031200, 10062400, 20124800]

約数ペア:

[(1, 20124800), (2, 10062400), (4, 5031200), (5, 4024960), (8, 2515600), (10, 2012480), (16, 1257800), (19, 1059200), (20, 1006240), (25, 804992), (32, 628900), (38, 529600), (40, 503120), (50, 402496), (64, 314450), (76, 264800), (80, 251560), (95, 211840), (100, 201248), (128, 157225), (152, 132400), (160, 125780), (190, 105920), (200, 100624), (304, 66200), (320, 62890), (331, 60800), (380, 52960), (400, 50312), (475, 42368), (608, 33100), (640, 31445), (662, 30400), (760, 26480), (800, 25156), (950, 21184), (1216, 16550), (1324, 15200), (1520, 13240), (1600, 12578), (1655, 12160), (1900, 10592), (2432, 8275), (2648, 7600), (3040, 6620), (3200, 6289), (3310, 6080), (3800, 5296)]