254252080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{653}}^1$

素因数の和:854

約数の個数: 80

約数和(自身を含む): 615032064

約数和(自身を除く): 360779984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 157, 248, 310, 314, 496, 620, 628, 653, 785, 1240, 1256, 1306, 1570, 2480, 2512, 2612, 3140, 3265, 4867, 5224, 6280, 6530, 9734, 10448, 12560, 13060, 19468, 20243, 24335, 26120, 38936, 40486, 48670, 52240, 77872, 80972, 97340, 101215, 102521, 161944, 194680, 202430, 205042, 323888, 389360, 404860, 410084, 512605, 809720, 820168, 1025210, 1619440, 1640336, 2050420, 3178151, 4100840, 6356302, 8201680, 12712604, 15890755, 25425208, 31781510, 50850416, 63563020, 127126040, 254252080]

約数ペア:

[(1, 254252080), (2, 127126040), (4, 63563020), (5, 50850416), (8, 31781510), (10, 25425208), (16, 15890755), (20, 12712604), (31, 8201680), (40, 6356302), (62, 4100840), (80, 3178151), (124, 2050420), (155, 1640336), (157, 1619440), (248, 1025210), (310, 820168), (314, 809720), (496, 512605), (620, 410084), (628, 404860), (653, 389360), (785, 323888), (1240, 205042), (1256, 202430), (1306, 194680), (1570, 161944), (2480, 102521), (2512, 101215), (2612, 97340), (3140, 80972), (3265, 77872), (4867, 52240), (5224, 48670), (6280, 40486), (6530, 38936), (9734, 26120), (10448, 24335), (12560, 20243), (13060, 19468)]