16439800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6323}}^1$

素因数の和:6352

約数の個数: 48

約数和(自身を含む): 41169240

約数和(自身を除く): 24729440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 6323, 12646, 25292, 31615, 50584, 63230, 82199, 126460, 158075, 164398, 252920, 316150, 328796, 410995, 632300, 657592, 821990, 1264600, 1643980, 2054975, 3287960, 4109950, 8219900, 16439800]

約数ペア:

[(1, 16439800), (2, 8219900), (4, 4109950), (5, 3287960), (8, 2054975), (10, 1643980), (13, 1264600), (20, 821990), (25, 657592), (26, 632300), (40, 410995), (50, 328796), (52, 316150), (65, 252920), (100, 164398), (104, 158075), (130, 126460), (200, 82199), (260, 63230), (325, 50584), (520, 31615), (650, 25292), (1300, 12646), (2600, 6323)]