40090000

素因数分解:

$2^4\times 5^4\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:258

約数の個数: 100

約数和(自身を含む): 102654640

約数和(自身を除く): 62564640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 125, 152, 190, 200, 211, 250, 304, 380, 400, 422, 475, 500, 625, 760, 844, 950, 1000, 1055, 1250, 1520, 1688, 1900, 2000, 2110, 2375, 2500, 3376, 3800, 4009, 4220, 4750, 5000, 5275, 7600, 8018, 8440, 9500, 10000, 10550, 11875, 16036, 16880, 19000, 20045, 21100, 23750, 26375, 32072, 38000, 40090, 42200, 47500, 52750, 64144, 80180, 84400, 95000, 100225, 105500, 131875, 160360, 190000, 200450, 211000, 263750, 320720, 400900, 422000, 501125, 527500, 801800, 1002250, 1055000, 1603600, 2004500, 2110000, 2505625, 4009000, 5011250, 8018000, 10022500, 20045000, 40090000]

約数ペア:

[(1, 40090000), (2, 20045000), (4, 10022500), (5, 8018000), (8, 5011250), (10, 4009000), (16, 2505625), (19, 2110000), (20, 2004500), (25, 1603600), (38, 1055000), (40, 1002250), (50, 801800), (76, 527500), (80, 501125), (95, 422000), (100, 400900), (125, 320720), (152, 263750), (190, 211000), (200, 200450), (211, 190000), (250, 160360), (304, 131875), (380, 105500), (400, 100225), (422, 95000), (475, 84400), (500, 80180), (625, 64144), (760, 52750), (844, 47500), (950, 42200), (1000, 40090), (1055, 38000), (1250, 32072), (1520, 26375), (1688, 23750), (1900, 21100), (2000, 20045), (2110, 19000), (2375, 16880), (2500, 16036), (3376, 11875), (3800, 10550), (4009, 10000), (4220, 9500), (4750, 8440), (5000, 8018), (5275, 7600)]