40103440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38561}}^1$

素因数の和:38587

約数の個数: 40

約数和(自身を含む): 100415448

約数和(自身を除く): 60312008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 38561, 77122, 154244, 192805, 308488, 385610, 501293, 616976, 771220, 1002586, 1542440, 2005172, 2506465, 3084880, 4010344, 5012930, 8020688, 10025860, 20051720, 40103440]

約数ペア:

[(1, 40103440), (2, 20051720), (4, 10025860), (5, 8020688), (8, 5012930), (10, 4010344), (13, 3084880), (16, 2506465), (20, 2005172), (26, 1542440), (40, 1002586), (52, 771220), (65, 616976), (80, 501293), (104, 385610), (130, 308488), (208, 192805), (260, 154244), (520, 77122), (1040, 38561)]