40072400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:189

約数の個数: 120

約数和(自身を含む): 104618304

約数和(自身を除く): 64545904

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 71, 80, 83, 85, 100, 136, 142, 166, 170, 200, 272, 284, 332, 340, 355, 400, 415, 425, 568, 664, 680, 710, 830, 850, 1136, 1207, 1328, 1360, 1411, 1420, 1660, 1700, 1775, 2075, 2414, 2822, 2840, 3320, 3400, 3550, 4150, 4828, 5644, 5680, 5893, 6035, 6640, 6800, 7055, 7100, 8300, 9656, 11288, 11786, 12070, 14110, 14200, 16600, 19312, 22576, 23572, 24140, 28220, 28400, 29465, 30175, 33200, 35275, 47144, 48280, 56440, 58930, 60350, 70550, 94288, 96560, 100181, 112880, 117860, 120700, 141100, 147325, 200362, 235720, 241400, 282200, 294650, 400724, 471440, 482800, 500905, 564400, 589300, 801448, 1001810, 1178600, 1602896, 2003620, 2357200, 2504525, 4007240, 5009050, 8014480, 10018100, 20036200, 40072400]

約数ペア:

[(1, 40072400), (2, 20036200), (4, 10018100), (5, 8014480), (8, 5009050), (10, 4007240), (16, 2504525), (17, 2357200), (20, 2003620), (25, 1602896), (34, 1178600), (40, 1001810), (50, 801448), (68, 589300), (71, 564400), (80, 500905), (83, 482800), (85, 471440), (100, 400724), (136, 294650), (142, 282200), (166, 241400), (170, 235720), (200, 200362), (272, 147325), (284, 141100), (332, 120700), (340, 117860), (355, 112880), (400, 100181), (415, 96560), (425, 94288), (568, 70550), (664, 60350), (680, 58930), (710, 56440), (830, 48280), (850, 47144), (1136, 35275), (1207, 33200), (1328, 30175), (1360, 29465), (1411, 28400), (1420, 28220), (1660, 24140), (1700, 23572), (1775, 22576), (2075, 19312), (2414, 16600), (2822, 14200), (2840, 14110), (3320, 12070), (3400, 11786), (3550, 11288), (4150, 9656), (4828, 8300), (5644, 7100), (5680, 7055), (5893, 6800), (6035, 6640)]