1525000

素因数分解:

$2^3\times 5^5\times {\mathrm{61}}^1$

素因数の和:92

約数の個数: 48

約数和(自身を含む): 3632580

約数和(自身を除く): 2107580

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 125, 200, 244, 250, 305, 488, 500, 610, 625, 1000, 1220, 1250, 1525, 2440, 2500, 3050, 3125, 5000, 6100, 6250, 7625, 12200, 12500, 15250, 25000, 30500, 38125, 61000, 76250, 152500, 190625, 305000, 381250, 762500, 1525000]

約数ペア:

[(1, 1525000), (2, 762500), (4, 381250), (5, 305000), (8, 190625), (10, 152500), (20, 76250), (25, 61000), (40, 38125), (50, 30500), (61, 25000), (100, 15250), (122, 12500), (125, 12200), (200, 7625), (244, 6250), (250, 6100), (305, 5000), (488, 3125), (500, 3050), (610, 2500), (625, 2440), (1000, 1525), (1220, 1250)]