28832569940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1\times {\mathrm{28771}}^1$

素因数の和:29432

約数の個数: 48

約数和(自身を含む): 61339602240

約数和(自身を除く): 32507032300

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 563, 890, 1126, 1780, 2252, 2815, 5630, 11260, 28771, 50107, 57542, 100214, 115084, 143855, 200428, 250535, 287710, 501070, 575420, 1002140, 2560619, 5121238, 10242476, 12803095, 16198073, 25606190, 32396146, 51212380, 64792292, 80990365, 161980730, 323961460, 1441628497, 2883256994, 5766513988, 7208142485, 14416284970, 28832569940]

約数ペア:

[(1, 28832569940), (2, 14416284970), (4, 7208142485), (5, 5766513988), (10, 2883256994), (20, 1441628497), (89, 323961460), (178, 161980730), (356, 80990365), (445, 64792292), (563, 51212380), (890, 32396146), (1126, 25606190), (1780, 16198073), (2252, 12803095), (2815, 10242476), (5630, 5121238), (11260, 2560619), (28771, 1002140), (50107, 575420), (57542, 501070), (100214, 287710), (115084, 250535), (143855, 200428)]