204996800

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4133}}^1$

素因数の和:4186

約数の個数: 84

約数和(自身を含む): 520817856

約数和(自身を除く): 315821056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 155, 160, 200, 248, 310, 320, 400, 496, 620, 775, 800, 992, 1240, 1550, 1600, 1984, 2480, 3100, 4133, 4960, 6200, 8266, 9920, 12400, 16532, 20665, 24800, 33064, 41330, 49600, 66128, 82660, 103325, 128123, 132256, 165320, 206650, 256246, 264512, 330640, 413300, 512492, 640615, 661280, 826600, 1024984, 1281230, 1322560, 1653200, 2049968, 2562460, 3203075, 3306400, 4099936, 5124920, 6406150, 6612800, 8199872, 10249840, 12812300, 20499680, 25624600, 40999360, 51249200, 102498400, 204996800]

約数ペア:

[(1, 204996800), (2, 102498400), (4, 51249200), (5, 40999360), (8, 25624600), (10, 20499680), (16, 12812300), (20, 10249840), (25, 8199872), (31, 6612800), (32, 6406150), (40, 5124920), (50, 4099936), (62, 3306400), (64, 3203075), (80, 2562460), (100, 2049968), (124, 1653200), (155, 1322560), (160, 1281230), (200, 1024984), (248, 826600), (310, 661280), (320, 640615), (400, 512492), (496, 413300), (620, 330640), (775, 264512), (800, 256246), (992, 206650), (1240, 165320), (1550, 132256), (1600, 128123), (1984, 103325), (2480, 82660), (3100, 66128), (4133, 49600), (4960, 41330), (6200, 33064), (8266, 24800), (9920, 20665), (12400, 16532)]