77012500

素因数分解:

$2^2\times 5^5\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 172910808

約数和(自身を除く): 95898308

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 101, 122, 125, 202, 244, 250, 305, 404, 500, 505, 610, 625, 1010, 1220, 1250, 1525, 2020, 2500, 2525, 3050, 3125, 5050, 6100, 6161, 6250, 7625, 10100, 12322, 12500, 12625, 15250, 24644, 25250, 30500, 30805, 38125, 50500, 61610, 63125, 76250, 123220, 126250, 152500, 154025, 190625, 252500, 308050, 315625, 381250, 616100, 631250, 762500, 770125, 1262500, 1540250, 3080500, 3850625, 7701250, 15402500, 19253125, 38506250, 77012500]

約数ペア:

[(1, 77012500), (2, 38506250), (4, 19253125), (5, 15402500), (10, 7701250), (20, 3850625), (25, 3080500), (50, 1540250), (61, 1262500), (100, 770125), (101, 762500), (122, 631250), (125, 616100), (202, 381250), (244, 315625), (250, 308050), (305, 252500), (404, 190625), (500, 154025), (505, 152500), (610, 126250), (625, 123220), (1010, 76250), (1220, 63125), (1250, 61610), (1525, 50500), (2020, 38125), (2500, 30805), (2525, 30500), (3050, 25250), (3125, 24644), (5050, 15250), (6100, 12625), (6161, 12500), (6250, 12322), (7625, 10100)]