525260020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{10501}}^1$

素因数の和:10612

約数の個数: 48

約数和(自身を含む): 1148582736

約数和(自身を除く): 623322716

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 410, 610, 820, 1220, 2501, 5002, 10004, 10501, 12505, 21002, 25010, 42004, 50020, 52505, 105010, 210020, 430541, 640561, 861082, 1281122, 1722164, 2152705, 2562244, 3202805, 4305410, 6405610, 8610820, 12811220, 26263001, 52526002, 105052004, 131315005, 262630010, 525260020]

約数ペア:

[(1, 525260020), (2, 262630010), (4, 131315005), (5, 105052004), (10, 52526002), (20, 26263001), (41, 12811220), (61, 8610820), (82, 6405610), (122, 4305410), (164, 3202805), (205, 2562244), (244, 2152705), (305, 1722164), (410, 1281122), (610, 861082), (820, 640561), (1220, 430541), (2501, 210020), (5002, 105010), (10004, 52505), (10501, 50020), (12505, 42004), (21002, 25010)]