84491980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{617}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 183145536

約数和(自身を除く): 98653556

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 167, 205, 334, 410, 617, 668, 820, 835, 1234, 1670, 2468, 3085, 3340, 6170, 6847, 12340, 13694, 25297, 27388, 34235, 50594, 68470, 101188, 103039, 126485, 136940, 206078, 252970, 412156, 505940, 515195, 1030390, 2060780, 4224599, 8449198, 16898396, 21122995, 42245990, 84491980]

約数ペア:

[(1, 84491980), (2, 42245990), (4, 21122995), (5, 16898396), (10, 8449198), (20, 4224599), (41, 2060780), (82, 1030390), (164, 515195), (167, 505940), (205, 412156), (334, 252970), (410, 206078), (617, 136940), (668, 126485), (820, 103039), (835, 101188), (1234, 68470), (1670, 50594), (2468, 34235), (3085, 27388), (3340, 25297), (6170, 13694), (6847, 12340)]