291216371120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{88785479}}^1$

素因数の和:88785533

約数の個数: 40

約数和(自身を含む): 693592169760

約数和(自身を除く): 402375798640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 88785479, 177570958, 355141916, 443927395, 710283832, 887854790, 1420567664, 1775709580, 3551419160, 3640204639, 7102838320, 7280409278, 14560818556, 18201023195, 29121637112, 36402046390, 58243274224, 72804092780, 145608185560, 291216371120]

約数ペア:

[(1, 291216371120), (2, 145608185560), (4, 72804092780), (5, 58243274224), (8, 36402046390), (10, 29121637112), (16, 18201023195), (20, 14560818556), (40, 7280409278), (41, 7102838320), (80, 3640204639), (82, 3551419160), (164, 1775709580), (205, 1420567664), (328, 887854790), (410, 710283832), (656, 443927395), (820, 355141916), (1640, 177570958), (3280, 88785479)]