72843880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{44417}}^1$

素因数の和:44469

約数の個数: 32

約数和(自身を含む): 167900040

約数和(自身を除く): 95056160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 44417, 88834, 177668, 222085, 355336, 444170, 888340, 1776680, 1821097, 3642194, 7284388, 9105485, 14568776, 18210970, 36421940, 72843880]

約数ペア:

[(1, 72843880), (2, 36421940), (4, 18210970), (5, 14568776), (8, 9105485), (10, 7284388), (20, 3642194), (40, 1821097), (41, 1776680), (82, 888340), (164, 444170), (205, 355336), (328, 222085), (410, 177668), (820, 88834), (1640, 44417)]