40660000

素因数分解:

$2^5\times 5^4\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:156

約数の個数: 120

約数和(自身を含む): 106278480

約数和(自身を除く): 65618480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 107, 125, 152, 160, 190, 200, 214, 250, 304, 380, 400, 428, 475, 500, 535, 608, 625, 760, 800, 856, 950, 1000, 1070, 1250, 1520, 1712, 1900, 2000, 2033, 2140, 2375, 2500, 2675, 3040, 3424, 3800, 4000, 4066, 4280, 4750, 5000, 5350, 7600, 8132, 8560, 9500, 10000, 10165, 10700, 11875, 13375, 15200, 16264, 17120, 19000, 20000, 20330, 21400, 23750, 26750, 32528, 38000, 40660, 42800, 47500, 50825, 53500, 65056, 66875, 76000, 81320, 85600, 95000, 101650, 107000, 133750, 162640, 190000, 203300, 214000, 254125, 267500, 325280, 380000, 406600, 428000, 508250, 535000, 813200, 1016500, 1070000, 1270625, 1626400, 2033000, 2140000, 2541250, 4066000, 5082500, 8132000, 10165000, 20330000, 40660000]

約数ペア:

[(1, 40660000), (2, 20330000), (4, 10165000), (5, 8132000), (8, 5082500), (10, 4066000), (16, 2541250), (19, 2140000), (20, 2033000), (25, 1626400), (32, 1270625), (38, 1070000), (40, 1016500), (50, 813200), (76, 535000), (80, 508250), (95, 428000), (100, 406600), (107, 380000), (125, 325280), (152, 267500), (160, 254125), (190, 214000), (200, 203300), (214, 190000), (250, 162640), (304, 133750), (380, 107000), (400, 101650), (428, 95000), (475, 85600), (500, 81320), (535, 76000), (608, 66875), (625, 65056), (760, 53500), (800, 50825), (856, 47500), (950, 42800), (1000, 40660), (1070, 38000), (1250, 32528), (1520, 26750), (1712, 23750), (1900, 21400), (2000, 20330), (2033, 20000), (2140, 19000), (2375, 17120), (2500, 16264), (2675, 15200), (3040, 13375), (3424, 11875), (3800, 10700), (4000, 10165), (4066, 10000), (4280, 9500), (4750, 8560), (5000, 8132), (5350, 7600)]