16020400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{331}}^1$

素因数の和:371

約数の個数: 90

約数和(自身を含む): 42433916

約数和(自身を除く): 26413516

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 121, 176, 200, 220, 242, 275, 331, 400, 440, 484, 550, 605, 662, 880, 968, 1100, 1210, 1324, 1655, 1936, 2200, 2420, 2648, 3025, 3310, 3641, 4400, 4840, 5296, 6050, 6620, 7282, 8275, 9680, 12100, 13240, 14564, 16550, 18205, 24200, 26480, 29128, 33100, 36410, 40051, 48400, 58256, 66200, 72820, 80102, 91025, 132400, 145640, 160204, 182050, 200255, 291280, 320408, 364100, 400510, 640816, 728200, 801020, 1001275, 1456400, 1602040, 2002550, 3204080, 4005100, 8010200, 16020400]

約数ペア:

[(1, 16020400), (2, 8010200), (4, 4005100), (5, 3204080), (8, 2002550), (10, 1602040), (11, 1456400), (16, 1001275), (20, 801020), (22, 728200), (25, 640816), (40, 400510), (44, 364100), (50, 320408), (55, 291280), (80, 200255), (88, 182050), (100, 160204), (110, 145640), (121, 132400), (176, 91025), (200, 80102), (220, 72820), (242, 66200), (275, 58256), (331, 48400), (400, 40051), (440, 36410), (484, 33100), (550, 29128), (605, 26480), (662, 24200), (880, 18205), (968, 16550), (1100, 14564), (1210, 13240), (1324, 12100), (1655, 9680), (1936, 8275), (2200, 7282), (2420, 6620), (2648, 6050), (3025, 5296), (3310, 4840), (3641, 4400)]