16439540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1193}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 37911888

約数和(自身を除く): 21472348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1193, 1378, 2386, 2756, 3445, 4772, 5965, 6890, 11930, 13780, 15509, 23860, 31018, 62036, 63229, 77545, 126458, 155090, 252916, 310180, 316145, 632290, 821977, 1264580, 1643954, 3287908, 4109885, 8219770, 16439540]

約数ペア:

[(1, 16439540), (2, 8219770), (4, 4109885), (5, 3287908), (10, 1643954), (13, 1264580), (20, 821977), (26, 632290), (52, 316145), (53, 310180), (65, 252916), (106, 155090), (130, 126458), (212, 77545), (260, 63229), (265, 62036), (530, 31018), (689, 23860), (1060, 15509), (1193, 13780), (1378, 11930), (2386, 6890), (2756, 5965), (3445, 4772)]