80520059980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{659}}^1\times {\mathrm{91183}}^1$

素因数の和:91918

約数の個数: 48

約数和(自身を含む): 171878192640

約数和(自身を除く): 91358132660

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 659, 670, 1318, 1340, 2636, 3295, 6590, 13180, 44153, 88306, 91183, 176612, 182366, 220765, 364732, 441530, 455915, 883060, 911830, 1823660, 6109261, 12218522, 24437044, 30546305, 60089597, 61092610, 120179194, 122185220, 240358388, 300447985, 600895970, 1201791940, 4026002999, 8052005998, 16104011996, 20130014995, 40260029990, 80520059980]

約数ペア:

[(1, 80520059980), (2, 40260029990), (4, 20130014995), (5, 16104011996), (10, 8052005998), (20, 4026002999), (67, 1201791940), (134, 600895970), (268, 300447985), (335, 240358388), (659, 122185220), (670, 120179194), (1318, 61092610), (1340, 60089597), (2636, 30546305), (3295, 24437044), (6590, 12218522), (13180, 6109261), (44153, 1823660), (88306, 911830), (91183, 883060), (176612, 455915), (182366, 441530), (220765, 364732)]