16304340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20903}}^1$

素因数の和:20928

約数の個数: 48

約数和(自身を含む): 49166208

約数和(自身を除く): 32861868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 20903, 41806, 62709, 83612, 104515, 125418, 209030, 250836, 271739, 313545, 418060, 543478, 627090, 815217, 1086956, 1254180, 1358695, 1630434, 2717390, 3260868, 4076085, 5434780, 8152170, 16304340]

約数ペア:

[(1, 16304340), (2, 8152170), (3, 5434780), (4, 4076085), (5, 3260868), (6, 2717390), (10, 1630434), (12, 1358695), (13, 1254180), (15, 1086956), (20, 815217), (26, 627090), (30, 543478), (39, 418060), (52, 313545), (60, 271739), (65, 250836), (78, 209030), (130, 125418), (156, 104515), (195, 83612), (260, 62709), (390, 41806), (780, 20903)]