28804927120

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5902649}}^1$

素因数の和:5902723

約数の個数: 40

約数和(自身を含む): 68069359800

約数和(自身を除く): 39264432680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5902649, 11805298, 23610596, 29513245, 47221192, 59026490, 94442384, 118052980, 236105960, 360061589, 472211920, 720123178, 1440246356, 1800307945, 2880492712, 3600615890, 5760985424, 7201231780, 14402463560, 28804927120]

約数ペア:

[(1, 28804927120), (2, 14402463560), (4, 7201231780), (5, 5760985424), (8, 3600615890), (10, 2880492712), (16, 1800307945), (20, 1440246356), (40, 720123178), (61, 472211920), (80, 360061589), (122, 236105960), (244, 118052980), (305, 94442384), (488, 59026490), (610, 47221192), (976, 29513245), (1220, 23610596), (2440, 11805298), (4880, 5902649)]