28087020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4001}}^1$

素因数の和:4032

約数の個数: 96

約数和(自身を含む): 94127040

約数和(自身を除く): 66040020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 4001, 7020, 8002, 12003, 16004, 20005, 24006, 36009, 40010, 48012, 52013, 60015, 72018, 80020, 104026, 108027, 120030, 144036, 156039, 180045, 208052, 216054, 240060, 260065, 312078, 360090, 432108, 468117, 520130, 540135, 624156, 720180, 780195, 936234, 1040260, 1080270, 1404351, 1560390, 1872468, 2160540, 2340585, 2808702, 3120780, 4681170, 5617404, 7021755, 9362340, 14043510, 28087020]

約数ペア:

[(1, 28087020), (2, 14043510), (3, 9362340), (4, 7021755), (5, 5617404), (6, 4681170), (9, 3120780), (10, 2808702), (12, 2340585), (13, 2160540), (15, 1872468), (18, 1560390), (20, 1404351), (26, 1080270), (27, 1040260), (30, 936234), (36, 780195), (39, 720180), (45, 624156), (52, 540135), (54, 520130), (60, 468117), (65, 432108), (78, 360090), (90, 312078), (108, 260065), (117, 240060), (130, 216054), (135, 208052), (156, 180045), (180, 156039), (195, 144036), (234, 120030), (260, 108027), (270, 104026), (351, 80020), (390, 72018), (468, 60015), (540, 52013), (585, 48012), (702, 40010), (780, 36009), (1170, 24006), (1404, 20005), (1755, 16004), (2340, 12003), (3510, 8002), (4001, 7020)]