1939728040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1\times {\mathrm{3389}}^1$

素因数の和:3790

約数の個数: 64

約数和(自身を含む): 4484970000

約数和(自身を除く): 2545241960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 349, 410, 698, 820, 1396, 1640, 1745, 2792, 3389, 3490, 6778, 6980, 13556, 13960, 14309, 16945, 27112, 28618, 33890, 57236, 67780, 71545, 114472, 135560, 138949, 143090, 277898, 286180, 555796, 572360, 694745, 1111592, 1182761, 1389490, 2365522, 2778980, 4731044, 5557960, 5913805, 9462088, 11827610, 23655220, 47310440, 48493201, 96986402, 193972804, 242466005, 387945608, 484932010, 969864020, 1939728040]

約数ペア:

[(1, 1939728040), (2, 969864020), (4, 484932010), (5, 387945608), (8, 242466005), (10, 193972804), (20, 96986402), (40, 48493201), (41, 47310440), (82, 23655220), (164, 11827610), (205, 9462088), (328, 5913805), (349, 5557960), (410, 4731044), (698, 2778980), (820, 2365522), (1396, 1389490), (1640, 1182761), (1745, 1111592), (2792, 694745), (3389, 572360), (3490, 555796), (6778, 286180), (6980, 277898), (13556, 143090), (13960, 138949), (14309, 135560), (16945, 114472), (27112, 71545), (28618, 67780), (33890, 57236)]